单词	ketophosphonates
释义	ketophosphonates 🌏酮膦酸盐
随便看	normally on normally on device normally on fet normally on transistor normally open normally open circuit normally open consumption normally open contact normally-open contact normally open contactor normally open contacts normally open control element normal ly open control element normally opened normally opened brake normally opened contact normally open ed contact normally opened relay normally opened track circuit normally open gate normally openhydraulic normally open interlock normally open/normally closed normally openpneumatic normally open push button switch