Turns Check Valve Plug. Use a spoon or other tool through slot for more leverage when removing Jet.
旋转止回阀活塞。当移动喷嘴时，用勺子或其它工具穿过狭缝以产生更大的杠杆力。
This paper introduces the cause of the seepage in valve box of oil isolation pump, and solves the problem of the valve box seepage by way of the improvement of die slot in O - ring and seal material.
本文介绍油隔离泵阀箱渗漏的原因，能过对阀盖O型圈沟槽的改进及采取乐泰密封胶替代牛油盘根进行密封，解决了阀箱渗漏的问题。
It snaps onto the stem and locks into the slot for turning-stops of a ball valve of any material, in place of its standard handle.
它夹在阀杆上，并且锁在槽内，用于任何材料球阀的旋转止动，代替其标准手柄。
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