And some decompound production of foaming agent can reinforce the foaming ability of refining slag.发泡剂分解后部分产物作为高熔点粒子存在于熔渣中,提高了精炼渣的泡沫化性能.Such jokes tend to reinforce racial stereotypes.这样的笑话容易渲染种族偏见。Then, two security per...
钟放在椭圆形的大理石基座上，外罩玻璃罩。The clock stands on an oval marble base, enclosed by a glass dome.座椅的外罩是聚氯乙烯 ( 做 ) 的.The seat covers were ( made of ) PVC.产品外外罩颜色可根据客户需求另定.Cover color can be according to the customer required....
He got a job as a builder's labourer.他找到了一份建筑工人的工作.I have lived in a farm labourer's cottage.我曾在农舍居住过.Her husband had been a farm labourer.她丈夫以前是个农场雇工。He has worked as a labourer in factories and on building si...
You can upgrade from self-catering accommodation to a hotel.您可以将自理膳食旅店升级为酒店。to upgrade the town's leisure facilities改善镇里的休闲设施We need to upgrade the status of teachers.我们需要提升老师的地位。...