活塞环的英文：
piston ring

参考例句：
  • "Sometimes, all that is required is to free up the rings in the ring grooves by cleaning out carbon."
    有时,所要做的仅仅是清除积碳,使活塞环在活塞环槽中活动自如。
  • The rings are somewhat larger in diameter than they will be when in the cylinder.
    活塞环的直径要略大于装入气缸时的直径。
  • Be sure that you do not remove metal when cleaning ring grooves or oil slots.
    清洁活塞环槽或油环开缝,绝对不能损伤金属部分。
piston是什么意思：
n. 活塞
  • The connecting-rod is attached to the piston by the piston pin.
    连杆与活塞的连接是采用活塞销。
  • The piston is reciprocating inside cylinder.
    活塞在汽缸内部往复运动。
  • My container here has a piston on it.
    我的容器上有一个活塞。
  • a ring for packing pistons or sealing a pipe joint.
    填塞活塞或垫在导管接头的圈环。
  • Connecting rods and pistons are removed as assembly from the engine.
    把连杆和活塞做为整体组件从发动机上拆卸下来。
ring是什么意思：
n. 环形物；戒指；拳击场；铃声，钟声
v. 包围；成环形；按铃；敲钟；回响；打电话
  • There was a ring at the bell.
    铃声响了。
  • The impulse ring is a composite, magnetized ring.
    脉冲环是一个合成磁化圈。
  • That ring is certainly the cheese.
    那只戒指无疑是精品。
  • The lost ring was never found.
    遗失的戒指再也没有找到。
  • multiple (double) annual ring
    复年轮

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