Furthermore, the loading of the crane had exceeded its safe working load.

此外, 起重机在抽出钻和钢管的过程中是超出安全负荷的.

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What's the'safe working load's. W . L of each derrick?

每个吊杆的安全工作负荷是多少?

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Uses safe working practices and reports all hazardous conditions and acts at all times.

使用安全工作惯例和报告全部危险情况和行为.

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The figures quoted are emission levels and are not necessarily safe working levels.

这里所引用引用的数字是排放标准而不是必要的安全工作标准.

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Ensures and emphasises the need for a safe working environment at all under all conditions.

无论何时何地,均需确保并重视安全的工作环境的必要性.

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