support extension ratio
support extension ratio
[煤炭科技英汉词典]
support extension ratio支架伸缩比
又称“伸缩系数”。支架最大结构高度与最小结构高度之比。
是什么意思，support extension ratio的解释，support extension ratio的翻译
support extension ratio
[煤炭科技英汉词典]
support extension ratio是什么意思，support extension ratio的解释，support extension ratio的翻译