barrel-shaped spring
[电信英汉词典]
barrel-shaped spring桶形弹簧
是什么意思,barrel-shaped spring的解释,barrel-shaped spring的翻译
[机械工程英汉词典] barrel-shaped spring
barrel-shaped spring
[电信英汉词典]
barrel-shaped spring是什么意思,barrel-shaped spring的解释,barrel-shaped spring的翻译
[机械工程英汉词典] barrel-shaped spring