您要查找的是不是：
- All the apprentices rushed to help fit the piston. 徒工们都跑过来帮助装活塞。
- Get lathe No.9 set to turn the new piston. 把九号车床调好来车这个新活塞。
- The piston seems ok. Maybe something else is wrong. 活塞似乎没问题。可能别的什么东西坏了。
- That is actually a cavity in the earth. 那其实是一个地下洞穴。
- A cavity or hollowed surface, especially of a bone. 腔尤指骨头的腔或凹陷的表面
- The cavity formed by this structure. 盆腔由这种骨骼结构形成的体腔
- cavity piston 凹头活塞
- I have a toothache because there is a cavity in one of my teeth. 我牙疼，因为我的一颗牙齿上有个洞。
- Let's get the lathe to turn the new piston. 咱们用车床车[加工]新的活塞吧。
- The piston froze in the cylinder. 活塞冻牢在汽缸里。
- The piston is reciprocating inside cylinder. 活塞在汽缸内部往复运动。
- Tell the foundry to cast another piston. 告诉铸铁间再铸一只活塞。
- The peritoneal cavity is a potential space. 腹腔是一个潜在的间隙。
- The peritoneal cavity is a closed sac. 腹膜腔是一个封闭的囊腔。
- A fluid-containing sac or cavity in the body of an organism. 池有机体体内一种贮存流体的液囊或穴
- A small angular cavity or pit, such as a honeycomb cell. 小窝，蜂巢小窝或小泡，如蜂房的巢室
- The steam-engine piston makes a cyclic motion. 蒸汽机活塞做往复运动。
- Yes, you have a big cavity there. 你有一个大大的蛀牙洞。
- The piston moves by steam pressure. 活塞在蒸汽压力下运动。
- We might as well check the piston. 我们不妨查一下活塞。
