皮皮学，免费搜题
登录
搜题
【多选题】
乙烯装置中,关于外送乙烯事故蒸发器的作用,下列说法正确的是(A.
紧急停车时保证乙烯产品的正常外送
B.
丙烯制冷压缩机二段吸入罐液面,可投用事故蒸发器
C.
正常时,事故蒸发器不可投用
D.
正常时,当乙烯外送温度低时,可稍投事故蒸发器
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Questions 14～17 are based on the following dialogue between a lawyer and his customer． 第 14 题 How long have they not met each other?
【单选题】页 第28题] (2010四川, 17) The lawyer listened with full attention, ______ to miss any point.
A.
not trying
B.
trying not
C.
to try not
D.
not to try
【简答题】Questions 14～17 are based on the following dialogue between a lawyer and his customer. How long have they not met each other? [A] Half a year. [B] Two years. [C] Three or four years. [D] More than fiv...
【简答题】I级、II级、III级电涌保护器的连接导体采用铜线时,截面分别不应小于________、________、________。
【单选题】I was __17_ what was going on, so I went down and when I arrived at his office, the lawyer asked me if I knew a couple _18__ their names and I said yes.
A.
with
B.
at
C.
out of
D.
by
【简答题】6 Section C Conversation 2 17.A) She is a lawyer. B) She is a reporter. C) She is a dancer. D) She is an English teacher. 18.A) She went to a piano concert. B) Sh...
相关题目：