Three-way Stopcock 医用三通阀 ; 三通旋塞阀 ; 阀配件 ; 三通旋塞
three-way glass stopcock 三通玻璃栓
glass stopcock 玻璃活塞 ; 玻璃活门
quartz stopcock 石英管塞
crescent vacuum stopcock 月牙型真空柱塞
burette with straight stopcock 带直路活塞的滴定管
stopcock with curved outlet 弯嘴活塞
capillary stopcock 毛细活栓
burette with three-way stopcock 带三路活塞的滴定管
N-COUNT A stopcock is a faucet on a pipe, which you turn in order to allow something to pass through the pipe or to stop it from passing through. 管闩; 旋塞阀
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