Equation between inter - yarn air permeability and parameters of fabric structure was deduced based on Hagen - Poiseuille hydromechanics.利用哈根伯肃叶定律,推导出机织物的纱线间孔隙透气量与织物结构参数的关系式.Equation between inter - yam air permeability ...
They joked and drank coffee and filled themselves with chocolate cake.他们开着玩笑，喝着咖啡，尽情地吃着巧克力蛋糕。'I wish you made as much fuss of me,' Vera joked.“我倒真希望你也能这么好好地关心我一下，”薇拉打趣道。They joked about his ineptitude.他们取笑他的笨拙....
I'll dish up and you can grate the Parmesan.我来上菜，你把帕尔马干酪磨碎。Parmesan is a generic term used to describe a family of hard Italian cheeses.帕尔玛干酪是意大利硬奶酪的通称。Penne with traditional meat sauce, grated Parmesan and parsley....