Standard reference radiographs for tin bronze castings 锡青铜铸件用参考射线照片
Standard specification for steam or valve bronze castings 蒸气或阀门青铜铸件的标准规范
Standard specification for bronze castings for bridges and turntables 桥梁和转车台用青铜铸件的标准规范
Standard specification for bronze castings for steam locomotive wearing parts 蒸气机车易损部件用青铜铸件的标准规范
The company nanhai pingzhou non - ferrous metals profile factory offers services from the ranges wire rod , bronze casting in addition to brass casting 青铜铸件、黄铜铸件和线材、盘条、轧制线材是我们文件中的一部分,请您电话垂询更多信息。
The high - lead bronze castings made with new process of centrifugal casting , the technical standard and service life have reached the level of their counterparts abroad 采用离心铸造新工艺生产的高铅青铜铸件,其技术标准和使用年限均达到国外同种产品水平。
Originally not for bells ( bronze - casting techniques were not recovered until the beginning of the eleventh century ) but later synonymous with the belfry 并且最初这些塔也不是做为钟楼所用(青铜铸件的铸造技术直到十一世纪初才重新为人们所掌握) ,但随后即成为了钟楼(尤指构成教堂一部分的)的同义词。