防喷管的高度恰好足以在钢丝绳阀与盘根盒之间装卸最长的工具串。
The lubricator is just high enough to handle the longest string of tools between the wireline valve and the stuffing box.
防喷管的高度恰好足以在钢丝绳阀与盘根盒之间装卸最长的工具串。
The lubricator is just high enough to handle the longest string of tools between the wireline valve and the stuffing box.
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