Sooner or later, life will put the relationship to the test.总有一天，生活会考验这种关系是否牢固。‘When shall I tell him?’ ‘The sooner the better.’“我什么时候告诉他？”“越快越好。”We shall reckon with the renegades sooner or later.我们迟早要跟这些叛徒算账.If you tur...
电化铝箔运输速率与不松度不妥也会爆发这栽障碍.Speed, electro - chemical aluminum foil and tightness improper generates this kind of failure.导热系数随体积密度增加而降低,在单位面积重量相同条件下,膨松度高的非织造布.The heat conduction coefficient decreases with increasing the bul...