main switch〔名词〕主开关详细»
main switch〔名词〕电源开关;n.总开关详细»
main switch〔名词〕总开关详细»
main switch〔名词〕主开关详细»
main switch〔名词〕主开关,主电门详细»
main switch〔名词〕主开关详细»
main switch〔名词〕总开关,干线开关详细»
main switch〔名词〕总开关详细»
main switch主开关，总开关详细»
总开关Master Switch;MAster SWitch;MS;MASW;master switch详细»
总开关control switch;main cock;main supply switch;main switch;master cock;master switch详细»