基本解释[琯理學]滅火器噴射開關英汉例句雙語例句The switch on this kind of fire extinguisher opens up automatically.這種滅火器的開關能自動開啓。fire extinguisher switch更多例句词组短语短語fire extinguisher transfer switch 滅火器轉換開關fire extinguisher tra fer switch 滅火器轉換開關fire extinguisher switch更多词组专业释义琯理學滅火器噴射開關