The viscosity shows a rather pronounced variation with temperature.温度对粘度的影响十分明显.viscosity exponent粘度指数Low viscosity multipurpose resin used for casting or laminating room temperature.低粘度多用途树脂,用于室温浇铸和层压.A centimeter - gra...
He quickly unfolded the blankets and spread them on the mattress...他迅速展开毯子，铺在床垫上。We had given him a large foam mattress to sleep on.我们给了他一张大海绵床垫用来睡觉。With difficulty he released the mattress from the metal frame, and grop...