Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/0cbe4ac6384a9c57feab8bf7462fcda4.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 working-hours method例句_working-hours method英汉例句_working-hours method双解例句_果味酸柯林斯词典
This method frequently caused the layer-shaped cracks in the center of the forgings, and also wasted a large number of the raw materials and working hours. 這種方法不僅容易在鍛件心部産生層狀裂紋，而且浪費了大量原材料和加工工時。