离心压缩机吸入过滤器堵塞严重会使压缩机（）并导致喘振。
参考答案：产量降低
—Oh my god! You__ wear slippers to attend the conference．
—I'm sorry I forgot there is a conference．
A．must
B．can
C．should
D．shall
东航卡的会员号生产规则是什么？
