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当前学科:安全人机学
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司机在收放箱作业前一定要推拉小车看清所作业贝位的情况,尤其是放第()箱时一定要看清落箱点是否有人或障碍物。
A . A、一层
B . B、二层
C . C、四层
D . D、五层
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