常見例句雙語例句There has strong water permeability at the basal bed of stilling basin for flood gate of Xixiayuan hydropower project.西霞院泄洪閘消力池底部巖層具有較強(qiáng)的透水性，因此需在消力池底板下鋪設(shè)排水管以降低揚(yáng)壓力。Vertically, rocks near the unconformity appear layers which are in turn semi-weathering rock, weathering clay bed and basal conglomerate.不整合附近的巖層在縱向上呈層分布：從下至上依次為半風(fēng)化巖石、風(fēng)化粘土層和底礫巖。Objective To explore the problems which have occurred in the basal living nursing for severe in-bed patients, and then map out the countermeasures.目的了解對臥床重癥患者實施基礎(chǔ)、生活護(hù)理存在的問題及改進(jìn)措施。 返回 basal bed