It has some advantages, such as simple structure, easy operation, small work power and short time of cutter changing.

该装置具有结构简单、操作容易且省力等优点，可明显缩短换刀片所需时间。

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The principle and method was introduced of identifying cutter offset direction and calculating cutter path according to vector operation.

介绍了通过矢量运算方法对立铣加工刀具偏移方向和刀具轨迹进行快速自动判别和计算的原理和方法。

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Even sand is two thirds of operation cost of sand filling water cutter, and also must be rapidly produce the work pieces to consume the indirect expenses (labor force, facilities and lease expense).

即使砂料是加砂水刀运行成本的三分之二，也必须快速生产工件以消耗间接费用(劳动力、设施、租赁费用)。

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On Sunday afternoon, the operation was halted when a fire broke out as sparks from a metal-cutter ignited scraps of fabric in the rubble.

BBC: Dhaka building collapse: Hopes for rescue fade