单词	通-断开关
释义	通-断开关on-and-off switch
随便看	partial potential partial potential temperature partial power partial power on partial pressure partial pressure analyser partial pressure analyzer partial pressure gauge partial pressure gradient partial pressure suit partial-pressure suit partial pressure vacuum gauge partial prestressing partial priority partial process partial processes partial processing automata partial product partial product array partial productivity partial productivity index partial product word partial program partial program specification partial propositional calculus