| 释义 | 
		stopcock美 ['stɑp.kɑk]  英 ['stɒp.kɒk]  - n.(调节管道流量的)旋塞
 - 网络旋塞阀;活栓;水龙头
 
 n. valve,faucet,tap,cock,spigot 1.  | (调节管道流量的)旋塞,活栓a tap that controls the flow of liquid or gas through a pipe  |  
 n.  | 1. a valve or faucet used to turn on, turn off, or regulate the flow of a fluid in a pipe 2. something on a pipe that you turn to stop or to start the flow of liquid  |  
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