counter spring
词语: counter spring
解释: 平衡弹簧
词典: 造纸专业英汉词典
counter spring 相关解释
平衡弹簧 balance spring
平衡弹簧 balancing spring;compensating spring
平衡弹簧 balancing spring;compensating spring;counter spring;counterbalance spring;counterpoise spring
平衡弹簧 counterpoise spring