下面的联锁哪些是循环压缩机的开车联锁（）。A、润滑油压力低联锁 B、润滑油高位油槽液

我给词语排排队。（把词语按一定的顺序重新排列）   

1．哥哥   爷爷   弟弟   爸爸   叔叔

2．儿童节   劳动节   妇女节    国庆节

There is no doubt, in my opinion, ________matters is not the speed, but the quality of the products. [      ]

A. that  

B. which

C. what that  

D. that what

__________ our efforts to save houses dating back to the Ming Dynasty, the local government decided to pull them down to build modern buildings there.

A．In case of

B．In spite of

C．In terms of

D．In praise of

工业企业厂界噪声I类标准规定昼间最大噪声为（）dB。

A、50

B、55

C、60

D、65

若系统真空度突然变低，对滤过工序造成的影响包括（）。

A、洗水用量大

B、重碱盐份低

C、过滤损失小

D、过滤生产能力低

E、重碱水份低

F、成品盐份高