angular bar, reducer welded中文翻译是什么?

angular bar, reducer welded中文翻译是什么? WORM REDUCER是什么意思? Bar REDUCER VALVE 怎么翻译啊? angular frequency是什么意思 angular deviation是什么意思 angular rotation是什么意思 angular dependence什么意思 angular velocity是什么意思 angular displacement是什么意思 问一道离散数学题Assume that a chocolate bar consists of n squares arranged in a rect-angular pattern.The bar,a smaller rectangular piece of the bar,canbe broken along a vertical or a horizontal line separating the squares.Assuming that only o adams angular velocity about x怎么用 bar-hopping BAR是什么意思 Bar 是什么意思? bar是什么意思 bar lace 零点乐队bar