shallow shaft的用法和樣例：
例句
- This revolution was primarily a dry farming operation with springs and shallow hand-dug wells supplying domestic needs.
這次革命主要是旱田耕作而以泉水和人工開(kāi)挖淺井提供生活用水。 - Abstract Fluid inertia effects increase equipment loading and reduce efficiency in high rate shallow wells with high water production.
在含水率較高的大排量淺井中，流體的慣性效應使設備負荷增加，并降低了泵效。
