A . 扩散泵
B . 谁循环泵
C . 干式真空泵
D . 路兹泵
[填空题] Fuel pump的中文意思是()。
[填空题] Water pump的中文意思是()。
[单选题]the mud pump 的汉语意思是()。A . 钻压B . 钻头C . 钻井泵D . 方钻杆
[名词解释] dry noodle
[单选题]Dry Martini的调制方法是()。A .摇和法B .调和法C .压缩法D .中和法
[名词解释] 极限真空(limiting vAcuum)
[名词解释] 英译中:Vacuum packaging
[名词解释] 干性坏疽(dry gangrene)
[单选题]D.ry powder is used to put out ________A.electrical fireB.oil fireC.common firesD.all kinds of fires
[名词解释] 干井dry-well