unpermeable layer的用法和樣例:
例句
- Landfills without the benefit of a naturally impermeable layer use plastic liners and imported clay.
沒(méi)有受益于天然不透水層的垃圾填埋場(chǎng)使用塑料襯管和進(jìn)口粘土。 - A mathematical model for groundwater pollution in a leaky aquifer system,which involves the adsorption of semipervious layer,is presented.
提出了一個(gè)越流含水層系統考慮弱透水層吸附作用的地下水污染數學(xué)模型。