筒状活塞

1.trunkpiston  

筒的英语翻译：

a section of thick bamboo; canister; tube-shaped object
【医】 balloon; tubo-

状的英语翻译：

account; certificate; condition; shape; state; written complaint
【医】 appearance

活塞的英语翻译：

piston; plunger
【医】 piston; stop-cock