带平衡盘装置的多级离心泵窜动量可以通过()加减垫片来调整。
A、平衡轮毂
B、平衡座
C、轴承压盖
D、轴套
参考答案:A, B
动词应用
小题1:I saw a man (lie ) on the ground and many people crowded around him.
小题2:It (snow) ,Now we can make a snowman.
小题3:My aunt (make) sundwiches for me last Sunday.
小题4:Sorry ,I forget (bring ) my homework.
小题5:Mr li asked us (not observe ) what he did .
小题6:I don’t know if he (come) tomorrow If he (come) . I___ (meet )him.
小题7:My mother still (sleep) when I got up this morning .
小题8:The sun (rise )at about six in the morning in Spring .
抑制血小板聚集功能的药物是()
A.布洛芬
B.卡托普利
C.强地松
D.阿司匹林
E.苯丙酸诺龙