Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/af53f78810f28eee1a8018973041d813.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 spot-welding英英字典_spot-welding剑桥英语解释_spot-welding柯林斯英文解释_甲百汇小鸡词典
1. V to join (two pieces of metal, esp in the form of wire or sheet) by one or more small circular welds by means of heat, usually electrically generated, and pressure 点焊(两根金属丝或两块金属板)