Curve and path resistance are great, linear resistance is little, declivous path still has quicken force.曲线及上坡道阻力大, 直线阻力小, 下坡道还有加速力.Ir can quicken the absorption for inflammatory exudate, and strengthen the cytophagy of ...
缔和聚合物较 非 缔合聚合物而言是一种比较好的酸液稠化剂.Association polymer than the non - associated polymer is a relatively good acid viscosifier.通过对稠化剂和抗磨添加剂的筛选,研究以水为分散介质的润滑脂.Lubricating greases with water as dispersing media are studied by scr...
He's hoping that if he makes me feel guilty, I'll retract.他指望着如果他能让我感到内疚，我就会收回所说的话。A cat can retract its claws, but a dog can’t.猫的爪子可以缩进去, 但狗不能。A cat can retract its claws, but a dog can't.猫的爪子可以缩进去, 但狗不能....