H65铜材是由铜和锌组成的合金。当含锌量小于39%时，锌能溶于铜内形成单相a，称单相黄铜，塑性好，适于冷热加压加工。当含锌量大于39%时，有a单相还有以铜锌为基的b固溶体，称双相黄铜，b使塑性小而抗拉强度上升，只
I want to run a pro开发者_运维技巧gram in linux without the X borders. It\'s a C++ program that uses a graphical library called GRX and when it is launched it runs inside a window.
加载中,请稍侯......