self-acting valve 中文意思是什麼
self-acting valve
解釋
自動閥-
Shipbuilding. head of sounding pipes with self - acting valve. details
造船工業.帶自動閥的測深量頭.零件 -
Shipbuilding. sounding pipes with self - acting valve. installation assembly
造船工業.帶自動閥的測深量頭.安裝組件 -
Shipbuilding. head of sounding pipes with self - acting valve. mounting assembly
造船工業.帶自動閥的測深量頭.安裝組件 -
Shipbuilding. head of sounding pipes with self - acting valve. details of body
造船工業.帶自動閥的測深管測頭.閥體詳圖
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