Suetion devices are inadequate in gravels or very porous soils.吸水装置对砂砾或非常疏松的土壤是不适用的.They are more prevalent in soils of the tropical and subtropical regions.它们在热带和亚热带地区的土壤中较为普遍.Some soils are actually too alkaline for ce...
The hospital offer humanization and individuation service to the patients.医院还为患者提供人性化、个性化的特色服务.Humanization is to have a person fostered in all - round way .“以人为本”就是以人的 全面 发展为本.Unique head folding system make the design ...
They offer tips on topics such as home safety.他们就家居安全等问题提供建议。The Oxford Chemistry Primers aim to cover important topics in organic chemistry.《牛津化学初级读本》丛书旨在论述有机化学中的重要问题。They talked amiably and easily about a range of topi...