...the Red Cross emblem, and its equivalent in Muslim countries, the Red Crescent.红十字及其在伊斯兰国家的对应标志——红月牙The two countries do little trade with one another.两国之间很少有贸易往来。I reflected on the relative importance of education in...
Solid is entrained by rising bubbles to form the bubble wave.固体被上升气泡夹带形成气泡尾涡.Once a particle has been detached, it must be entrained before it can bew transported away.颗粒一旦分离, 它必然被挟带,然后被输移.By using cyclone separators to ...