请输入您要查询的英文单词:
单词
safety switch
释义
safety switch
noun
:
an electric switch completely enclosed in a metal box with an external control handle and so designed that the box cannot be opened while the switch is closed and the switch cannot be closed while the box is open
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trophoblastic
trophochromatin
trophocyte
trophoderm
trophodynamic
trophodynamics
trophogenic
trophogenist
trophogenous
trophology
tropholytic
trophon
trophonema
trophoneurosis
trophoneurotic
trophonucleus
trophophore
trophophorous
trophoplasm
trophoplasmatic
trophoplasmic
trophoplast
trophosome
trophosphere
trophospongia
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更新时间:2025/11/12 14:45:47