round nut with drilled holes in one face_机械工程英汉词典
round nut with drilled holes in one face
[机械工程英汉词典]
round nut with drilled holes in one face端面带孔圆螺母
是什么意思，round nut with drilled holes in one face的解释，round nut with drilled holes in one face的翻译
