Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/c1112761734bb89aec1585d3b40802a4.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 spring balance英英字典_spring balance剑桥英语解释_spring balance柯林斯英文解释_甲百汇小鸡词典
1. N a device in which an object to be weighed is attached to the end of a helical spring, the extension of which indicates the weight of the object on a calibrated scale 弹簧秤