plug valve
短语词组
- plug in valve [机]插装式阀
- swivel plug globe valve 转塞球阀
- plug diverter valve 分流旋塞阀
- plug gate valve 塞型闸阀;塞型;塞形闸阀
- plug gingested valve 塞型闸阀
- plug ghad valve 塞型闸阀
- Gland packing plug valve 填料式旋塞阀;填料式
- positioned plug valve 定位旋塞阀;定位式旋塞阀
- Plug disc throttle valve 塞形阀瓣节流阀 返回 plug valve