-
最佳答案：Aluminium alloy is the most widely used in industry of a class of non-ferrous me
-
最佳答案：I work In the cutting tool industry job for nine years, for endmill, drill, ream
-
最佳答案：With computer technology in the manufacture of a wide range of applications,part
-
最佳答案：计算机辅助设计Computer-aid Design大学英语College English计算机语言与程序设计（C）C programming大学物理Colle
-
最佳答案：Hydraulic technology is widely applied in machinofacture、 metallurgy、aviation、li
-
最佳答案：EDI enables suppliers,retailers,manufacturers and consumers to automatically exc
-
最佳答案：digital control technical research roommodel design and manufacture roomapplicat