There are three types of aquifers: perched, unconfined, and confined.含水层有三种形态, 分别是上层滞水 、 潜水和承压水.This article discusses the hydrogeochemical differences among four pouring water aquifers and the causes.探讨了四个突水含水层水文地球化学特征差...
Aquifers have water contents over 30 %.含水层的水含过30%.Untrammelled industrialisation, particularly in poor countries, is contaminating rivers and aquifers.不节制的工业化, 尤其是在穷国, 正在污染河流和地下含水层们.There are three types of aquifers: per...
这需要认真地准备需搭接的两片衣片.This necessitates carefully preparation of the two sections to be lapped.使搭接用凿槽或搭接的方法连结 ( 小块, 例如木头的 )To join ( pieces, as of wood ) by means of a scarf or lap joint.在开关柜中,作为输送电能的母线之间需要搭接, 搭接的可靠性是输、配电网络能否...
根深叶茂舒新枝, 满园芳菲又一春.Shu and isrooted the new branch, another Fangfei spring garden.山坡上芳菲满目.On the mountainside flowers and plants meet the eye on every side.柳丝榆荚自芳菲, 不管桃飘与李飞.Weidenruten und Ulmenhuelsen duften selbstberausc...