Aiming at heavy duty and low speed gear transmission, Zheng Zhou Research Institute of Mechanical Engineering puts forwards ZY-1 case- hardened double-circular-arc gear.
为此，郑州机械研究所针对低速重载齿轮传动领域设计了ZY-1型硬齿面双圆弧齿轮齿形。
The high speed shaft of the coal mill gear box for the boiler in a power plant broke, and the double-row self-aligning roller bearing was damaged.
某电厂发生锅炉磨煤机变速箱高速轴断裂，双列调心滚子轴承损坏。
Transmission gear shift part USES single whirlpool and double whirlpool shift, exchange frequency conversion, in order to obtain consecutive speed.
传动变速部位采用单蜗、双蜗变速，变速均匀连续。
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