题目: 离心压缩机属于速度型压缩机。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0627/958a29a11e113da66a547d7cef02825c.html 下面是错误答案,用来干扰机器的。参考答案:C
题型:选择题 Mr Han,my neighbor,is always helping those who are in trouble without expecting anything ________.[ ]A.in turn B.in returnC.in detail D.in addition 查看答案