Set in a casing pipe cutting, equipment, light and practical.

集套管切管于一身，装备轻便实用。

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He didn't stop there-edison went on to design an electric power distribution system that would make the use of light bulbs practical and profitable.

他没有停止。他设计出一种电力分配系统，可以让电灯泡实用并且盈利。

youdao

The current collection of SOA books and articles is rich on high-level theory by light on practical advice

现有的SOA书籍和文章有很多高层理论，而缺乏实际的建议

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Hardly fancy, but light and very practical for a tightly worn watch to be used while playing tennis.

FORBES: Connect

Taking cues from its Alpha A99, which was just announced today, Sony brought that camera's 24.3-megapixel full-frame sensor to a camcorder form factor, delivering shallow depth-of-field and much improved low-light sensitivity in a more practical package.

ENGADGET: Sony announces NEX-VG30 and full-frame NEX-VG900 Handycams, we go hands-on

The GF6 boasts high-speed, high precision Light Speed AF (auto focus) including practical full-time AF and tracking AF is available for video recording.

ENGADGET: Panasonic Lumix GF6 announced for the US, shipping in June for $600