按国际通行说法，汽车后市场利润相对于前市场要（）。
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总承包单位和分包单位对分包工程的安全生产各自承担责任。
A. 正确
B. 错误
During storm conditions on a ship，the mooring tensions should be adjusted so that（）.
A. all mooring lines have a different tension
B. the leeward lines have higher tension than the windward lines
C. the maximum tension of the most heavily loaded line does not exceed the safe working load
D. all horizontal tension forces on the windward lines are no greater than the vertical tension force
所选用电流互感器的动热稳定性能应满足安装地点系统（）的要求。
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