... Deduction 推论，扣除 Deep boring tool 深镗孔刀具 Deep-drawing 深拉，深冲 ...
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Deep Boring Machining Tool 深孔加工机床
The promoted design of the rolling tool used in precisely machining deep holes with an effective multiplex boring machine is introduced.
介绍了高精度深孔加工用高效复合镗滚压工具的改进设计。
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