基本解释高級真空泵英汉例句雙語例句The vacuum low-pressure casting was used to found water pump copper impeller.採用金屬模和特制的真空低壓鑄造裝置鑄造水泵銅葉輪。low-pressure vacuum pump更多例句专业释义經濟學高真空泵交通運輸工程高真空泵