Warning: file_put_contents(/www/wwwroot/ppbbu/73904.com/cache/276bbb45714596c8860e3cf431fe2901.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/73904.com/index.php on line 55 drop pile hammer例句_drop pile hammer英汉例句_drop pile hammer双解例句_骑士汉英词典
The basic principle of simple high strain pile test method transformed from measured free fall of drop hammer is given in this paper. 給出測量自由落鎚的加速度換算高應變試樁的動力的簡易法的基本原理、測試操作與工程應用。