当拉出钻头时，横梁(上面缠有绝缘体和导体的金属结构)将它架起，形成一个新的支架。

While pulling out the drill, crossbeams (metal structures on which insulators and conductors are mounted) are attached to a new support.

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当拉出钻头时，横梁(上面缠有绝缘体和导体的金属结构)将它架起，形成一个新的支架。

While pulling out the drill, crossbeams (metal structures on which insulators and conductors are mounted) are attached to a new support.

youdao