... drain cap ==> 漏盘 drain elbow ==> 排水弯管 drain plug gasket ==> 螺塞垫圈 ...
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DRAIN ELBOW WITH LOCKING NUT 排水弯管接头锁定螺母
drain valve elbow 排泄阀弯管
·2,447,543篇论文数据，部分数据来源于NoteExpress
You can refine your "calibrated elbow" by using a properly maintained torque wrench a few times a month for common jobs like tightening that drain plug.
通过类以紧固油底壳螺栓这样的日常工作，一个月多次应用合适的维修扳手您可以优化您的“校准肘”的精确度。
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