journal box lubricator 轴箱润滑器
flange lubricator control box [铁路] 轮缘喷油器控制盒
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。
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