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问题
填空题
汽轮机故障停机一般分为:()和()。
答案
参考答案:紧急停机;一般性故障停机
选择题
— That must have been a long trip.
— Yeah. It _____ us a whole week to get there.
A. takes
B. has taken
C. took
D. was taking
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填空题
对能计算实物工程量的大型机械,可按()承包合同。
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