Causes for the corrosion leakage of interstage coolers of a chlorine gas compressor were analyzed.分析了氯气压缩机段间冷却器腐蚀泄漏原因,介绍了超声波防垢原理及其实施效果.The paper also points out the condition of the best interstage of the forging.并指出了最佳锻...
A proportion of the paddocks can be withdrawn for mowing.可以抽出一定比例的地块供收割牧草用.He reduced the acreage of his property by selling off several paddocks.他卖掉了一些围场以缩小地产的面积.Their fields are mere paddocks.他们的田地都只是一些牧场....
I can lose a few pounds without resorting to daft diets.我不用疯狂地节食也能减轻几磅。95 per cent of these diets do not work.这些节食方法95%都不起作用。They are trained nutritionists who can give sound advice on diets.他们都是受过训练的营养学家，能够在饮食方面提出合理的建议。...
Aim To study antitussive, expectorant and antiasthmatic effects of Qingfeixiaoke granule.目的研究清肺消咳颗粒镇咳 、 祛痰、平喘的药理作用.The water extraction of Perilla frutescens and parch Perilla frutescens implied expectorant effects at lo...