英语词汇“guard vacuum”的读音、翻译、释义、用法及例句-智慧网

词汇	guard vacuum
释义	guard vacuumguard vacuum1.■防护真空;保护真空装置
随便看	low silicate product low-silicon low silicon low silicon bronze low-silicon bronze low silicon cast iron low-silicon cast iron low silicon pig iron low-silicon pig iron low silicon rail steel low sintered composite contact metal low sintering low-sintering low slag cement low-slope pent(ode) low-slump concrete low smelting heat low smile low-smoke fiber optic cable low smoke propellant low soda alumina low-soda alumina low sodium alumina low sodium water low soil moisture

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