英语词汇main shut-off valve怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	main shut-off valve
释义	main shut-off valve 简明释义总关闭阀网络释义 1 ?总关闭阀 ... air shut-off valve 空气关闭阀 ; 空气控制阀 ; 空气封闭阀 main shut-off valve 总关闭阀 spool shut-off valve 滑阀式截止阀 ... 短语 1 Main shut off valve 主关断阀双语例句 1 If you smell gas, shut off the main gas valve. 如果你闻到煤气味，关闭总阀门。 2 If you smell gas or see a broken line, shut off the main valve from the outside. 如果闻到煤气味儿，或看到管道破裂，要关掉从外面进屋煤气管道的主阀门。 3 If water pipes are damaged, shut off the supply at the main valve. 如果水管破裂，请在主控阀处切断水流。
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。