Check power tongs and spinning rope are on drill floor.

检查动力钳和尾绳是否在钻台上。

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Select a location accessible to water lines and power supply where the floor is level.

选择靠近水管和电源的水平地面放置热水器。

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Select a location accessible to water lines and power supply where the floor is level.

选择靠近水管和电源的水平地面放置热水器。

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