Random good picture Not show

(61) The deficiency of sealing off a borehole by slipping casting in the past is analysed.

(62) No need chemical sealing glue, solve weathering and aging problem. Environmental.

(63) To use drilling fluid resistivity curve can also check out borehole seal quality, water sealing up effect and borehole water table, figure out some hydrogeological problems.

(64) Because the hermetic sealing weir reduces expenses the action, the gas of the entry hermetic sealing face is compressed, the gas press goes up.

(65) Expeller seals packing include expeller , pressure - relief cover, sleeve, packing water sealing ring and packing gland, etc. Sentencedict.com

(66) This paper introduces the status of leakage of rubber sealing film for dry gas holder in Dalian Petrochemical Company.

(67) One thread lock, pipe thread sealing, trachoma Baptist hypoxia plastic closure production, sales in the domestic leader.

(68) Temperature's effect on casing joint sealing and casing additional loads is discussed in this paper.

(69) If the structure of hard sealing lip will be designed reasonably, inverse radial lip seals pos sess completely the dynamical sealing capacity.

(70) According to this problem, casing oil stolen prevention sealing valve was developed, matching with down-hole oil-gas separator and gas lift valve lift technology.

(71) In cold sealing fault detection in the presence of two questions.

(72) In the double - seat sealing ball valve enjoys compact structure , goodly configuration and favorble sealing performance.

(73) Use our unique non-lift deoiling mechanism, with its advantages of faster deoiling, better effect, and low oil content. The mechanism has good sealing ability and reliability!

(74) It is suitable for sealing HDPE plastic bags which have lots of advantages including good adherence and retentiveness, recycling usage, Special to leave side and easy to tear .

(75) The cryogenic static sealing is a key technology for aerospace vehicles.

(76) SIT sealing ring is used with Y ring together, both they can fit well each other and builds up an ideal hydraulic filter.

(77) This paper analyses theoretically and technologically, the reason of barrel tooth holders sealing off , of produced gas hole and cold crack. Especially, the writer has fourd the way to avoid them.

(78) The invention discloses a sealing device of a high-temperature high-pressure large-diameter water-cooled plate valve.

(79) ZPF3 numerical control parallel seam sealing system is automatic exactitude equipment for hermetic package sealing.

(80) Are products are: water polo foot O ring gasket seals sucker Washers silicone chip nail head gasket sets of plastic earplugs dust jacket sets of rings, such as sealing ring.

(81) Photocell Unit & camera for accurate sealing of pouches at Eye - registration mark.

(82) It has two stem sealing: one is stuffing box and another is toroidal sealing ring ( O - ring ) .

(83) PID temperature control and fluctuating sealing, computer control, frequency conversion for speed adjusting and other technique.

(84) Inspect seats, clapper sealing surfaces, Check Arms, and O - rings for damage.

(85) The gas exhaust pipe is connected with the measurement system. The sealing tank is fixedplatform.

(86) Disc has a differential angle front the seat to provide a line contact for maximum sealing.

(87) Mechanical and sealing performance of metal octagonal gaskets were investigated by experiment at room temperature.

(88) The utility model covers the sealing cover on the working anchor plate with a smooth surface with no need to do other treatment to meet the sealing demand.

(89) Its preparation is introduced in this paper, with a brief description of its as sealing, absorbing fire-retardant and electromagnetic shielding material.

(90) Transmission medium is not only the energy transfer intermediary, but also lubrication, sealing and heat transfer medium.