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This paper introduces a new of differential steering gear equiped with heave-duty crawler dozer and analyses its working principle as well as the special application by kinematics analysis.
应用运动学分析的方法，对大功率履带推土机差速转向机构的工作原理及使用特点进行了讨论与分析。
The internal porting and superior construction enable these pumps to handle continuous duty service applications and pump against high differential pressure.
内部端口和极好的结构能够使这些泵处理连续的负荷检修应用和对抗高压差的泵。
A duty ratio measuring circuit, which using differential voltage amplifier as core component, was designed utilizing the relationship between the duty ratio and the compensatory terminal of PWM IC.
介绍一种利用占空比与PWM电路补偿端电压之间的关系，设计的以差动电压放大器为核心构成的占空比测量电路；它能以数字显示形式直接给出脉冲电源输出电压的占空比。
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