当卸扣时，有疑难题目的接头要划上记号，记载在钻具记载本上，并向带班队长汇报。
When breaking out singles, any problem connection must be marked, recorded in the Tally Book and reported to the Toolpusher.
当卸扣时，有疑难题目的接头要划上记号，记载在钻具记载本上，并向带班队长汇报。
When breaking out singles, any problem connection must be marked, recorded in the Tally Book and reported to the Toolpusher.
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