emergency switch应急开关，紧急保险开关详细»
emergency switch〔名词〕紧急开关详细»
emergency switch〔名词〕应急开关(紧急保险开关)详细»
emergency switch〔名词〕紧急开关详细»
emergency switch〔名词〕事故开关详细»
emergency switch紧急保险开关,应急开关详细»
emergency switch应急开关备用开关详细»
应急开关emergence switch;intervention switch;panic button详细»
应急开关emergency cock;emergency stop cock详细»