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?