A large number of bearing equipment, featured by high load, low speed, high precision and high alloy, are used in steel-making, hot and cold rolling and galvanizing production lines in iron and steel
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Yushan Huihua Waterproof Products Co., Ltd.: Welcome to buy or wholesale cheap waterproof shoe covers, reusable rain shoe covers, reusable shoe protectors from professional manufacturers and suppliers
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Hengshui Zhuoli Auto Parts Co., Ltd: We're well-known as one of the leading auto brake pads, automotive excellency, ceramic brake pads, truck bus brake pads, brake shoe manufacturers and suppliers in
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The gate-controlled voltage of Q1 is a saw-shaped wave. When its duty cycle is larger, the conduction time of Q1 is longer, and the energy stored by the transformer is more.
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