液压升降机中使用的液压油缸，其组成部分通常有五部分：活塞和活塞杆、缸筒和缸盖、缓冲装置、密封装置、排气装置。
The use of hydraulic cylinder in hydraulic elevator, the part usually has five parts: piston and piston rod, cylinder and cylinder head, buffer device, sealing device and exhaust device.
密闭取心工具主要由外螺纹接头、平衡活塞、限位接头、内外筒、卡箍岩心爪、定位销、密封头、及取心钻头等部件组成。
Sealing coring tools mainly consists of external threaded adapter, balance piston, limit joint, inner and outer barrel, core catcher, locating pin, sealing head and coring bit.
聚四氟乙烯内衬直管，套管，弯头，三通，四通，大小头，筒体，空压机-制氧机- 活塞环、密封圈和汽配封圈。
Teflon - lined pipe, casing, elbow, the three exchanges or four, size head, cylinder, air compressor - oxygen - ring, gasket seal ring and auto parts.
针对JL 465Q1发动机部件(缸筒、活塞和缸盖)在不同典型工况下的传热进行了数值分析计算。
The numerical computations for the heat transfer of JL465Q1 engine's parts (cylinder block, piston and cylinder head) under different operation cases were performed.
研究了稀土复合孕育剂在灰铸铁筒体活塞环中的孕育效果。
Inoculation effects of RE-containing inoculant used for cylinder castings of piston rings was studied.
本实用新型由手柄、拉杆、筒体、活塞、底板、进油阀、出油阀、等部件所构成。
The utility model is composed of a handle, a pull rod, a barrel body, a piston, a bottom plate, an oil inlet valve, an oil outlet valve, etc.
注射器(10)包括一活塞(20)，一针筒(11)和一带有两个棘爪(42a, 42b)的套(40,50)。
A syringe (10) has a plunger (20), a barrel (11) and a collar (40, 50) with two pawls (42a, 42b).
其成型设备包括：电机、皮带轮、螺旋绞龙推进器、料斗、活塞驱动系统、活塞、锥模、凸模、法兰、机座、推杆、成型筒等。
The forming apparatus includes motor, belt wheel, spiral propeller, material bin, piston driving system, piston, mold, pedestal, forming barrel and other parts.
它主要由内筒、外筒、带有单向阀的活塞、溢流件、调节环，密封圈等组成。
The leakproof hydraulic damper is mainly composed of an inner cylinder, an outer cylinder, a piston which is provided with one-way valves, overflow members, adjustment rings, seal rings, etc.
它主要由内筒、外筒、带有单向阀的活塞、溢流件、调节环，密封圈等组成。
The leakproof hydraulic damper is mainly composed of an inner cylinder, an outer cylinder, a piston which is provided with one-way valves, overflow members, adjustment rings, seal rings, etc.
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