More often, all of the materials exposed to the etchant have a finite etch rate.通常, 所有暴露在刻蚀剂中的材料都具有一定的刻蚀速率.Hydrofluoric acid of Porcelain Etchant and phosphoric acid of UNI - ETCH are severe eye and tissue irritants.瓷酸蚀剂...
Above service project is with clausal provision accurate.以上服务项目以条款规定为准.Why their pioneering work can lose overall situation , it is clausal problem certainly.为什么他们的创业者会失去大局, 一定是条款的问题.One clausal chain, the top still has ...
He is a bluffer , and a screwball, a kind of freak.他是个吹牛家,是个怪物, 是个畸形人.I was born with black hair all over my back,like some sort of freak.我出生时满背黑毛,就像个怪物。The last thing I thought about was the Cirque Du Freak.我脑子里想到的最后一件事...
All over the world, oil spills regularly contaminate coasts.在世界各地，油溢出物经常污染着海岸。In olden days the coasts of England were harassed by the Vikings again and again.古时候,英国沿海一带一再受到北欧海盗的窜扰.The cormorant is a large, long - necked...