Design purpose and principle of the lathe of supporting roller are mainly introduced in the paper. The cutting tool construction, installing method and power resource are also described.

主要介绍托辊加工机床设计目的及设计原理，陈述了刀具的结构与装夹方式、动力来源。

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In this paper, the fabrication of intermediate joint, selection of crimping tool, construction procedure and difficult point in technique are introduced in detail.

本文详细介绍了中间接头的制作，压接工具的选择，以及其施工方法与技术难点。

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The formula, spraying tool, construction process and quality inspection method of spraying film waterproof material used for tunnel and underground engineering have been studied.

研究用于隧道及地下工程的喷膜防水材料的配方、喷射机具、施工工艺及质量检测方法。

youdao

The open-cage printer will work using "fused filament fabrication" with 1.75mm filament, and will also feature 100 micron layer resolution (0.1 millimeter), rigid aluminum construction, an open-source software tool chain and optional heated build platform.

ENGADGET

There are millions of unemployed construction workers across America ready to put on their tool belt and get dirty.

WHITEHOUSE: President Obama Discussed the American Jobs Act

For items where construction costs vary by region--say, a gravel driveway--the Web tool gives you tips on how to look up a realistic cost.

FORBES: Depreciate It