cleaning bottom of hole的意思|示意

For this reason, the well designer generally seeks to maximize the fluid velocity (or other measure of jet energy) to achieve maximum cleaning at the bottom of the hole.

正因为这一原因，井眼设计人员一般寻求使流体速度(或其它射流能量)最大化的方法去达到最大程度地清洁井底的目的。

Once the impurities in the water or the cleaning solution sink into the holes of the hole plate, the majority can sink at the bottom and stop in order to avoid the secondary pollution.

水或洗涤液中的杂质一旦沉入孔板的孔中，其大部分就会沉入底部并且静止在那里，避免了二次污染。

Cleanout hole series can be set at the cornet from the bottom tank shell course to the bottom of the heavy oil storage tank for cleaning and draining during maintenance.

清扫孔装于重质油罐底部、清扫孔油罐可放出污水扫除内污泥。