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The K72 series four-jaw independent chucks are of cylindrical center mounting connected to the spindle nose by adaptors.
K 72系列四爪单动卡盘系短圆柱连接形式，通过过渡盘与机床主轴连接。
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The cylindrical end mill with ball-nose is one kind of highly efficient cutting tool.
圆柱形球头立铣刀是一种高效刀具。
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