Tunnels, whether bored through imposing mountains orlaid hundreds of feet under water, are inspiring feats of engineering.

隧道，无论是贯通高山或是潜入深水，都可以称得上是引人瞩目的工程壮举。

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Firstly, based on feature and restriction in the Reverse Engineering, construct all-purpose surface of feet and found parameterized model.

本文首先采用基于逆向工程的特征和约束的方法来构建脚模曲面，建立脚模特征参数模型。

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This paper brings forward a new construction method that brick model has been used to replace wood model in blade feet part sinking well engineering.

本文提出用砖模代替木模的方法用于沉井工程中刃脚部分的施工的理论。

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Hidden beneath a nondescript engineering case a few feet away from the company's 22-inch ICS "tablet" was one of the most impressive 4K displays we've seen.

ENGADGET: ViewSonic VP3280-LED 31.5-inch 4K monitor prototype hands-on (video)

The sinkhole is about 20 feet to 30 feet across and may be 30 feet deep, said Bill Bracken, president of an engineering company assisting emergency workers.

CNN: Family waits for word of Florida man swallowed by sinkhole