slow hole

In addition to the fleetness connects single root, can also use at salvage the homework, search direction or demands the slow the artesian well tool that turn last, and drill the size rat hole use.

除快速接单根外，还可用在打捞作业，找寻方向或需要慢转的钻井工具上，以及钻大小鼠洞用。

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If other factors remained unchanged, the hole diameter and the slot width increased with decreasing laser energy intensity and increasing nozzle diameter, the machining surface is not plan and the machining depth are slow.

当其它试验条件不变时，喷嘴直径越大，水导引激光能量密度越小，加工孔径和槽宽越大，加工深度越浅，加工的表面质量越差。

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But beam quality of slow axis is easily affected by space burned hole, self-focusing and thermal lens effect, which lead to big slow axis divergent angle under high output power.

然而由于其慢轴方向输出光束质量极易受到空间烧孔、自聚焦、热透镜等效应的影响，致使其在高功率工作条件下，输出的慢轴方向发散角较大。

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