英语词汇“botton head”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	botton head
释义	botton head 基本例句 n.圆头螺栓用作名词While unscrewing the injector button head, a second wrench must be used to assure that the injector body is not loosened from the main valve.在拧松注入器圆头螺栓时，要用第二个扳手固定住注入器，防止其从主阀门上松落下来。
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