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31. In order to solve the problem mentioned above, the clamper was improved on design and technology, so that both material and cost were saved with longer service life and higher production efficiency.

32. Result showed that the thermo decomposition reaction of DH170T had higher resistance, lower reacting rate and longer service life than TR2000.

33. High plasticizing performance with barrier screw. Melting performance and homogeneity optimized by additional compounding section. Long service life thanks to optimal choice of materials.

34. Ultra - low floating charge current guarantee the service life.

35. Children's shoes . Automatic lubrication for longer service life . No oil leadage problems due to special design.

36. Component configurator, chosen early in the project to manage service life cycle, was applied largely as described in the pattern.

37. A plunger type quantitative lead pump belongs to the technology field of special pumps and is used for solving the problems with the lead pump, including high rate of wear and short service life.

38. The present invention can solve the mis-engagement problem in the automatic gear shifting process, improves the electrical performances of the tool, and prolongs the service life of the tool.

39. Some measures as fittings quality, cradle roll's flexibility, and installing cleading in face, installing mat in every rolling wheel and etc. can increase wire rope's service life.

40. In this paper, a new method to calculate the power rating of ribbed V-bell drives according to its expected service life is presented.

41. Three ring type gear reducer has the futures of compact construction, light quality, high bearing capacity, anti overloading, long service life and easy maintenance.

42. B , Main shaft is equiped with a lubricating systein to lessen wear and service life.

43. Improving the service life and cutting efficiency of the segment of cutting border are the key problem of studying the metal bond diamond saw blades.

44. Corrosion resisting non - pollution, lower noise(sentencedict.com), long service life.

45. Cheap product uses copper more the weather strip such as qualitative, balata , service life is briefer, but the price is low.

46. As the superconductive tube is made of special material, it has good compatibility and no non- condensable gas occurs so its service life can be prolonged and it has no harmful to human bodies.

47. The estimated service life of this battery in diesel locomotive was about twice as long as that of its original battery, and it was maintain-free.

48. For increases rubber dentiform bring 's intension and service life, Our factory increase wrap cloth on original basis, Can many use about in a.

48. Wish you can benefit from sentencedict.com and make progress everyday!

49. Automatic lubrication for longer service life, no oil leakage problems due to special design.

50. The Rubber vibration isolation spring with the characteristics of long service life, low noise and stable resonance region.

51. This new type master controller features short production cycle, long service life, high unification as well as light weight and so on.

52. Compared with the prior art, the utility model has the characteristics of multifunction, large twisting moment, various application modes and long service life.

53. Erosion mechanism of ferruginous crucible for melting zinc was lucubrated, and several methods which can improve corrosion resistance and service life of ferruginous crucible were introduced.

54. Determine the resistance of the end end resistance: choose directly related to filter the service life, air system, system changes.

55. The pressure and the working load of the filter plate are equalized, the average service life of the ceramic filter plate is greatly prolonged, and the loss rate can descend by 10-15%.

56. It is concluded that the adoption of the pipeline anti-corrosion and flexible joint is an effective way to prolong the service life of cement concrete drains.

57. Breastwall is an important structure of the terminal. Its construction quality is a key factor of terminal service life and appearance.

58. It is the main material barrier for producing wire rods that the service life of cold-hardening low-alloy cast iron rollers for wire rods is very short because of serious wear.

59. Phosphor bronze main jaw pivot bushes with helical grease grooves maximize the pin service life and the laminated jaw side plates enhance strength.

60. The two silanes improve acid rain resistance of concrete greatly and prolong its service life of concrete greatly in acid rain environment.