立式三螺杆泵采用机械密封加骨架油封双重密封方式，无泄露。
Vertical three-screw pump adopts double seal mechanical seal and framework oil seal, no leakage.
论及了骨架式光缆与其它大芯数光缆在装纤密度、工程安装、机械性能等方面的优势，同时阐明骨架式光缆的发展前景。
This paper described slotted core cable's advantage on fiber density, engineering installation and mechanical property compared with other high-count fiber cable and its development prospect.
本文将就近几年关于机械刺激下成骨细胞骨架的改变及作用机制的研究进展进行综述。
This paper summarizes the recent advances about the effects and possible mechanism of mechanical stimulation on osteoblast cytoskeleton.
外置轴承型的轴承腔与泵腔用机械密封及骨架油封或填料隔开，密封性好。
The bearing bore and pump bore of external bearing type are separated by mechanical seal and skeleton oil seal.
用这种光纤制造的骨架式光纤带光缆具有优良的光学性能、机械性能、环境性能和接续性能，特别适合于在城市中的WDM系统中应用。
Slotted core ribbon cables with this type NZ-DSF have good optical, mechanical, environmental, and jointing performances, especially suitable for use in metropolitan WDM systems.
轴封有骨架油封、机械密封、填料密封三种型式，订货注明。
Shaft seal skeleton oil seal, mechanical seal, packing three type, indicate the order.
轴封有骨架油封、机械密封、填料密封三种型式，订货注明。
A seal skeleton oil seal, mechanical seals, sealing the three types of filling materials, the order stated.
轴封有骨架油封、机械密封、填料密封三种型式。
Shaft seal skeleton oil seal, mechanical seal, packing three types.
轴封有骨架油封、机械密封、填料密封三种型式。
Shaft seal skeleton oil seal, mechanical seal, packing three types.
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