piston中文

n.
1.【機械工程】活塞。
2.【音樂】(管樂器的)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

例句與用法

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1. A shaft on the piston forms the armature of a coil .
   活塞軸作線圈的銜鐵。
2. The piston moves by steam pressure .
   活塞在蒸汽壓力下運動。
3. Some pistons have seating rings of metal or leather .
   有些活塞上有金屬或皮革的密封環。
4. A pump uses valves and pistons .
   泵使用閥和活塞。
5. The push rod was screwed into a miniature piston head .
   這根推桿擰緊在一個微型的活塞頭上。

英文釋義

名詞

1. mechanical device that has a plunging or thrusting motion
   同義詞：plunger

百科釋義

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.