| 释义 |
shallow shaft
基本例句
浅井
This revolution was primarily a dry farming operation with springs and shallow hand-dug wells supplying domestic needs.这次革命主要是旱田耕作而以泉水和人工开挖浅井提供生活用水。
Abstract Fluid inertia effects increase equipment loading and reduce efficiency in high rate shallow wells with high water production.在含水率较高的大排量浅井中，流体的惯性效应使设备负荷增加，并降低了泵效。 |