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31. Jackup mast for marine drilling operation realizes hoisting of the mast by means of the pulley mechanism on the lower part of the mast.

32. In the generator-motor system for hoisting in mine shaft exists a self-sustained oscillation caused by nonlinearity of excitation saturation of generator.

33. The example perfects further for the non-support cable hoisting system in our country.

34. The fixing of davit and primary lifting beam is the key for assembling the hoisting tool of satellite.

35. The hoisting and transport systems of its main shaft are reformed in 2005.

35. Sentencedict.com is a online sentence dictionary, on which you can find good sentences for a large number of words.

36. A setting an amplitude-limiting circuit in SCR-D. G. drive system for bucket hoisting and lowering in power shovel has been designed.

37. The paper gives an account of the development of a sensor to determine the tension of a hoisting wirerope according to the principle of vertically and horizontally bending a cable.

38. In the harbor enterprise, the steel wire hoisting mechanisms have been commonly used to bundle spiral steel to carry on the handling operation.

39. By crampon, lifting beam and pulley block as well as hoisting and mounting the bridge crane in parts, ensures safety and economy for the construction.

40. In the electro-hydraulic proportion control system for hoisting speed of hydraulic anti-explosive hoist, the proportion control amplifier is an important part.

41. It is pointed out that during emergency braking on shaft hoists, the built-up time of brake torque has considerable influence on the formation of dynamic tension in the hoisting ropes.

42. It gave a research result on the manufacture technology of arch tube truss, and put forward firstly the instability hoisting technology of single truss.

43. The electro-hydraulic arm disk brake is a new type of braking device which is mainly used on hoisting and conveying machinery.

44. With hoisting method by double cantilever beam, the hoisting of large steel trusses was get success.

45. This paper analyses main function parameters of mine hoist before and after adjusted, puts into saving energy methods of mine hoister and raises efficiency ways of hoisting equipments.

46. During the operation of hoisting, the load can be kept holding temporarily by the action of hydraulic motor when hoisting control lever is at neutral position.

47. A line of roller, belt line, with net line, hoisting chain line, shelves and other products.

48. The Paper deduces the calculating formula for interference force between hoisting ropes in double-layer winding and gives the calculating results of an example.

49. The implement of this plan is introduced and the every procedure for superheater such as throwing over, barbed process and hoisting are elaborated.

50. The screwrotates the nut to drive the lower end of a seesaw to move, thus hoisting the bedplate at the bedside section and bending up the upper body of the patient.

51. Strong fiber hoisting belt shaping products have passed the sampling test.

52. We stand to attention for the Soviet anthem and hoisting of the red flag, and then down we go, into the freezing-cold bunker.

53. The electric brake of AC shaft hoist is an important part on hoisting technics low frequencies power generation brake and power are widely used in the shaft hoist of AC asynchronous drive at present.

54. The outdoor conveyor of building comprises an article hoisting system, an article storing device and a protecting device.

55. The hoisting forms for tailrace sluice gate of power house of hydropower station are various.

56. In this paper, a method to determine and calculate terminal test load is pointed out for adjusting brake rope parachute gear for cage hoisting in auxiliary shaft.

57. The utility model discloses a hoisting structure for side vertical rolls of a cold-bending roll forming machine, belonging to rolling machinery field.

58. This paper analyzes each case of hoisting overwind, gives proper fix situation of the overwind buffer in overwind height and computing methods of the cushioning force for the buffer.

59. A new test method concerning hydro-elastic problems as pintle load determination and hoisting load fluctuation is suggested.

60. No force exerted on jigs or on damageable parts. Work can only be done at the set position of the hoisting ring, support and bucket ears.