draught fan motor power 引风机电机功率
Livestock contribute directly to livelihoods worldwide, providing not only food, but also non-food products, draught power and financial security.
畜牧业不仅为全球提供食品，还提供非食用产品、畜力和金融安全，直接有助于提高民生。
The advantages of frequency speed control in forced draught fan for boiler in power plant are set forth by examples.
结合实例阐明了电站锅炉送风机采用变频调速的优点。
The utility model discloses a novel tillage machine, comprising a power part, a running gear, a draught assembly, a control mechanism, a plow harrow and a roller.
本实用新型公开了一种新型耕整机，由动力部、行走机构、牵引部件、 操纵机构、犁耙、蒲滚组成。
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