Structural steels can be subdivided into constructional steel and machinery steel.结构钢还可分为建筑用钢和机械用钢.A mixture of ferrite cementite forming distinct layers or bands in slowly cooled carbon steels.含%碳的钢(铁碳混合物的低共熔点),含%碳的碳钢是纯...
我一进去，他们就停下来转身朝向我。As soon as I entered, they stopped and turned my way.他转身朝向他的伙伴然后回答.He turned to his companion before he replied.旅馆朝向大马路.The hotel fronts on the main road....
We've put down a 5% deposit on the house.我们已支付了房款的5%作为订金。A tree fell on the house and gave him a fright.一棵树倒在房子上,吓了他一大跳.The landlord gave us a drink on the house.店主免费为我们供应了一杯饮料....