The correct operating and maintenance methods of equipments are given.

文中给出了液压拉伸器的正确使用与维护方法。

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Skills: Familiar with operating and maintenance the shearing machines.

技能技巧：熟悉数控剪板机设备的操作及维修和保养。

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The "Answer" operating and maintenance manual will be in Chinese and also English.

答案操作和维护手册将在中国，也会说英语。

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Because you can probably cover the cost of operating and maintenance and still get better than a 5% yield.

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It also has reduced operating and maintenance expenses, which will help minimize the profit margin squeeze in the wholesale business.

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At cell towers in extreme temperature environments, Nanophosphate EXT further reduces operating and maintenance costs by minimizing or eliminating the need for air conditioning or heating.

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