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【多选题】
在织造时引起经纱张力波动的主要因素有哪些？A.
打纬运动
B.
开口运动
C.
卷取运动
D.
织轴直径的变化
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反馈参考答案：
举一反三
【单选题】Questions 21-23 are based on the passage you have just heard.
A.
He was not happy with the new director.
B.
He was not qualified to be an engineer.
C.
He wanted to travel.
D.
He found his job boring.
【单选题】Questions 21-23 are based on the passage you have just heard.
A.
He enjoyed teaching English.
B.
He wanted to earn more to support his family.
C.
The owner of the school promised him a good position.
D.
He could earn more as a teacher than as a travel agent.
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