我们花了很多钱买波希米亚玻璃制品送人和自用。We splurged on Bohemian glass for gifts, and for ourselves.各种豆类罐头制品是很好的常备食品。Canned varieties of beans and pulses are a good standby.他们生产这类被称为热塑材料的塑料制品。They manufacture the class of plastics known as...
' steel in this class is tough, ductile and easily machined. "这种钢强韧, 延展性好,而且容易加工.Shrinkage and dispersed shrinkage are the special waster of ductile iron.缩孔和缩松是球墨铸铁特有的废品现象.The metal is very hard and strong and less ...