valve gate tap
The bag is resealed with a simple twist of the valve.
只需拧一下阀门,气囊就能重新密封。
—— 柯林斯例句He replaced a dud valve.
他换掉了坏阀门。
—— 柯林斯例句The feed - pipe is as clean as a whistle, so I´m afraid, if the oil is not getting through to the burner, the valve must be faulty.
送料管干干净净, 所以我担心要是油不通过喷嘴, 阀门一定有毛病。
—— 给力词典精选The engineering gang fell earnestly to work on jammed valves.
轮机组都起劲地埋头修理堵塞的阀门。
—— 辞典例句The connecting rod may drive a valve stem directly.
连杆可以直接带动阀门的把柄。
—— 辞典例句