angle of wall friction_水利英汉词典
angle of wall friction
[水利英汉词典]
angle of wall frictionn.墙面摩擦角
是什么意思，angle of wall friction的解释，angle of wall friction的翻译
n.墙面摩擦角
angle of wall friction_水利英汉词典angle of wall friction
[水利英汉词典]
angle of wall friction是什么意思，angle of wall friction的解释，angle of wall friction的翻译
