Sawdust was used as a hygienic floor covering.锯屑曾被用来铺在地上保持地面清洁卫生。Food must be prepared in hygienic conditions.食物必须在卫生的环境中制作。It's more hygienic to use disposable paper tissues.使用一次性餐巾纸更为卫生....
It's more hygienic to use disposable paper tissues.使用一次性餐巾纸更为卫生.Food must be prepared in hygienic conditions.食物必须在卫生的环境中制作。...a white, clinical-looking kitchen that was easy to keep clean and hygienic.易于保持清洁卫生的、像诊所般...
Make sure all the checkouts with balance have supporting document for billing.确保结帐票据的金额与发票金额一致.A catfight has erupted over who will get top billing.为了谁做主角的问题爆发了一场吵闹。They sat there billing and cooing till after midnight.他...
生理学的产生和发展; 前馈控制特点及生理意义.Physiological production and development; The characters and physiological meaning of Feed - forward control.前馈校正的引入克服了电压均值反馈控制快速性不好的缺点.The introduction of feedforward enhance speediness of this co...