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关注：1
2013-05-23 12:21
求翻译：17.2.6. The transport and unloading of materials made by push or pull the rail wagons, wheelbarrows or any other mechanical device shall be performed so that the physical effort made by the worker is compatible with his strength and ability to not compromise their health or their safety. 17.2.7. The survey work materia是什么意思？ 待解决
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- 离问题结束还有
17.2.6. The transport and unloading of materials made by push or pull the rail wagons, wheelbarrows or any other mechanical device shall be performed so that the physical effort made by the worker is compatible with his strength and ability to not compromise their health or their safety. 17.2.7. The survey work materia
问题补充： |
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