washing hole的意思|示意

Better reverse washing of the fracturing string and reliable sealing property offer a set of effective completion techniques for slant hole well production.

斜直井压裂管柱良好的反洗井和可靠的密封性能为斜直井开采提供了一套有效的完井技术。

The mower has a washing hole. Attach a garden hose to this opening and let water run to wash the blade and to wash grass of the mower body.

机身有几个清洗孔，直接将浇水管接到清洗口，冲水清洗刀片以及机身上的早叶。

Set up a slant water hole at reamer, and connect the reamer and pilot with reducing synergy flute, which strengthen the cooling and washing function and ensure the bit's effects.

在扩眼体设一斜水眼，在导眼体与扩眼体之间连接一缩径增效排屑环，强化了冷却清洗作用，从而保证钻头有较好的使用效果。