特点：FPC加工专用钻头，切削锋利，能有效抑制毛刺和钻污的产生。

Features: With sharp cutting teeth for preventing burr and smear generation. Suitable for machining FPC and PTFE.

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队伍中包括警察、消防和后勤专家，还有三条搜救犬和光学探测镜及专用钻具等设备。

The group was to include police and fire and logistical experts, along with three sniffer dogs and equipment such as fiber-optic scopes and special drills.

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本文介绍了薄壁管专用钻头的结构特点及工作原理，其结构设计新颖，对薄壁管的钻削有实用价值。

In this paper, the structure feature and principle of this special drill has been introduced. Its special design is very useful for drilling thin-wall pipe.

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