劳动合同订立时所依据的客观情况发生重大变化,致使原劳动合同无法履行,应当经当事人协商,达成协议,解除劳动合同。
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What information is found in the chart title? ()
A. Date of the first edition
B. Date of the edition and,if applicable,the revision
C. Information on the sounding datum
D. Information on which IALA buoyage system applie
等离子弧焊焊接速度比钨极氩弧焊()。
A. 相当
B. 快
C. 慢