suction valves with gration pipes 带滤网的进水活门
The working principle of submersible pumps: submersible pump pump before opening, suction pipes and pumps must be filled with liquid.
潜水泵的工作原理：潜水泵开泵前，吸入管和泵内必须充满液体。
The utility model can regulate and optimize the sectional areas of the suction pipes and the bypass pipe, thereby ensuring good suction efficiency and noise reduction effect.
利用本实用新型吸气消音器，可通过调整和优化吸气管路截面积及其旁 通口的面积，以达到更佳的吸气效率和降噪效果。
Considered the father of modern engineering this Arab scholar invented a programmable humanoid automaton and50other mechanical gadgets such as water cranks and pumps with suction pipes.
艾尔·加扎利被认为是现代工程之父，这名阿拉伯学者发明了编程机器人和50件其他机械器件，例如连接真空管的水曲柄和水泵。
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