piston中文什么意思

n.
1.【机械工程】活塞。
2.【音乐】(管乐器的)直升式活塞。

• piston piston:    活塞
• piston knock (piston slap):    活塞敲缸
• piston knock(piston slap):    活塞敲缸

例句与用法

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1. A shaft on the piston forms the armature of a coil .
   活塞轴作线圈的衔铁。
2. The piston moves by steam pressure .
   活塞在蒸汽压力下运动。
3. Some pistons have seating rings of metal or leather .
   有些活塞上有金属或皮革的密封环。
4. A pump uses valves and pistons .
   泵使用阀和活塞。
5. The push rod was screwed into a miniature piston head .
   这根推杆拧紧在一个微型的活塞头上。

英文释义

名词

1. mechanical device that has a plunging or thrusting motion
   同义词：plunger

百科释义

A piston is a component of reciprocating engines, reciprocating pumps, gas compressors and pneumatic cylinders, among other similar mechanisms. It is the moving component that is contained by a cylinder and is made gas-tight by piston rings.