check nut 中文意思是什麼
check nut
解釋
螺釘帽。-
The accident was due to the action of acid o the check nut
事故是由於酸對防松螺母的作用而發生的。 -
Trophy hardware : threaded rod, neck, hex nut, check ring, all zinc plated
*水族用品:沉水馬達,水燈,噴霧器,香精油霧化器及各種霧化用具 -
Gravity ball check valves are converted to foot valves by replacing the union nut and end connector on the receiving end ? seat end ? of the body with an f. v. screen housing assembly
重力球形止回閥可以變為底閥,只需在接受埠-閥體的閥座埠,用一個f . v .濾網殼組件更換管接頭螺母和埠連接件即可。
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