Keep safe working load of derricks.
让吊杆在安全负荷下工作。
What's the safe working load of each derrick?
每根吊杠的安全工作负荷是多少？
Maybe you can ease off working load by finding a part time job.
找一份兼职工作，也许会减轻你的工作负担。
The rotary speed has no effect on the working load on cutting teeth.
转速对切削齿上的载荷分布基本无影响。
Working Load Limit permanently shown on every shackle.
每个卸扣上都显示工作负荷极限，永久不掉。
Working Load Limit permanently shown on every shackle.
每个卸扣上都显示工作负荷极限，永久不掉。
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