根据HD 2系列泵伺服机构的组成，分析了它们各自在HD 2系列泵中所起的作用，着重讨论了恒功率阀的结构和控制过程。
According to the structure of servo mechanism on HD2se-ries pump, their functions have been analyzed. The structure and control process of constant power valve are mainly discussed.
在经过严格的开发和验证过程之后，马恒达中国公司推出了更大马力范围的一系列新产品，这些新产品受到了客户的广泛欢迎。
Mahindra China has introduced a new range of products after a though testing. These products are very well accepted by the customers across China.
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