cleaning n. 1.清洁法;扫除;清洗,洗涤;(种子的)清选。 2.〔常 pl.〕(牛、羊等的)胞衣。 3.【林业】除伐。 4.〔pl.〕垃圾。 5.〔口语〕(比赛等的)惨败,输光。 6.〔口语〕巨额利润。 a general [thorough] cleaning大扫除。 take a cleaning (球队等)惨败。
Air - duct installation method of clean air - conditioning 净化空调风管安装方法
Discussion on assessment method of cleaner production index system 清洁生产指标体系的评价模式探讨
Method of cleaning long compressed - gas pipe line between zhengzhou and yima 郑州煤气长输管道的通球清管置换方法
The bioventing is one of the most effective methods of cleaning petroleum contaminated soils 摘要处理石油污染土壤的诸多方法中,生物通风法是一种很有效的治理方法。
It doesn t justify that we pay no attention to oral hygiene and it is only a matter of methods of cleaning our oral cavity 这些都说明并不是我们不讲卫生,而是清洁方法有问题,在很大程度上我们并不了解牙的