hard to weld造句
造句与例句
手机版
- Pure iridium is extremely brittle, to the point of being hard to weld because the heat-affected zone cracks, but it can be made more ductile by addition of small quantities of titanium and zirconium ( 0.2 % of each apparently works well)
- Because heat-resistant titanium is hard to weld and difficult to work with, welded nickel steel was used for the Mach 2.8 Mikoyan-Gurevich MiG-25 fighter, first flown in 1964; and the Mach 3.1 North American XB-70 Valkyrie used brazed stainless steel honeycomb panels and titanium but was cancelled by the time it flew in 1964.
- It's difficult to see hard to weld in a sentence. 用hard to weld造句挺难的
如何用hard to weld造句，用hard to weld造句，hard to weld in a sentence, 用hard to weld造句和hard to weld的例句由查查汉语词典提供，版权所有违者必究。