Lower the corrosion cap and the universal guide frame.

下放井口帽及万能导向架.

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Install the guide frame of the pin connector.

装销钉连接器导向向臂.

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The chain guide frame of coal cutting machine is produced with metabainited cast steel.

将准贝氏体铸钢应用于采煤机链轨架.

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The work principle, structure design and control system tor double guide frame machine tool are introduced.

简述了双线架线切割机的工作原理 、 结构设计和控制系统.

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