题目内容

黑核发生的部位一般是小腰多、大腰少。

A. 对
B. 错

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无缝线路和道岔钢轨的焊缝除按规定周期探伤外,应用专用仪器对焊缝全断面探伤,且每半年不少于一次。

A. 对
B. 错

线路设备检查中的“四有四合一”指是什么?

调查工作量时,应综合考虑下列因素的互相影响?

According to the interpretation of the 2010 general rules, when the contract is concluded on CIF terms, the loss caused by the falling of the goods from the hook to the sea during loading is borne by ().

A. the seller
B. the buyer
C. the carrier
D. the buyer and seller

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