Steel derricks rose to meet our eyes as we drew nearer to the oil fields.
我们快到
田时看到了矗立的井架。
；桅起重
；式起货设备（derrick的复数形式）Steel derricks rose to meet our eyes as we drew nearer to the oil fields.
我们快到田时看到了矗立的井架。
Don’t stay under the arm of a derrick!
不要在起重的臂下!
Utilized this method to segmentalize the image of oil derrick arc welding robot welding line gets up the good effect.
将该方法运用于石井架弧焊器人焊缝图象的识别中起到很好的效果。
Please swing the derricks at Hatch No.3 to the shoreside because our floating crane will come alongside to unload the heavy lifts.
请把三舱移到里档，因为我们的浮要到外档卸重件。
声明：
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