聚合回收压缩机的出、入口之间用一管路相连,并装有调节阀进行控制。此控制阀起什么作用?
参考答案:保证出、入口具有合适的具有合适的压缩比,以防止压缩机出现喘振。
32. Despite what I’d been told about the native people’s attitude towards strangers, ______ did I come across any rudeness.
A.in no time
B.at no time
C.in any time
D.at any time
车辆全损或推定全损的处理要点是什么?