Complicated as a modern machine is, it is essentially a combination of simple machines.
现代机器虽复杂，但实质上不过是简单机械的组合。
The casting is one of modern machine manufacture industry foundation crafts.
铸造是现代机械制造工业的基础工艺之一。
The counterweight iron is one of modern machine manufacture industry foundation crafts.
配重铁是现代机械制造工业的基础工艺之一。
The idea of modern machine tools design is: high rotational speed, high accuracy and low noise etc.
现代机床的设计理念是：高转速、高加工精度、低噪声。
In electronic systems of modern machine tool, the control way of circuits of keeping pressure is able to be completed by the relay - toucher and the PLC.
在现代机床电气系统中，保压回路的控制方式可以通过继电器——接触器控制和可编程控制器PLC实现。
High speed and high precision is one of the main developing tendencies of modern machine tool.
高速高精度机床是当今的主要发展趋势之一。
High speed and high precision is one of the main developing tendencies of modern machine tool.
高速高精度机床是当今的主要发展趋势之一。
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