Its purpose is to set the concrete from a variety of equipment, tools, hopper and cement equipment such as pump and surface to remove.
它的用途就是把凝固的混凝土从各种设备、工具、料斗和泵等水泥设备及表面去除。
Lady Grantham: I'm not a romantic, but even I concede that the heart does not exist solely for the purpose to pump blood.
格兰瑟姆老夫人：我不是个浪漫的人，即便如此我也不得不承认，心这东西不仅仅是用来输送血液的。
As the pump rotor continuous rotation, the above cycle of suction and exhaust process and the achievement of the purpose of the pump continuous extraction.
随着泵转子的连续旋转，以上吸气和排气过程循环进行，实现了泵的连续抽气目的。
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