Some key issues related with excavation by a super-large shield machine and the design and construction of immersed tunnel in deep seawater and torrent conditions are also listed.

最后，对超大型盾构机长距离掘进与深水急流海底沉管隧道的设计、施工等列出其中的若干技术关键问题。

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Trying to shield profits from so large a tax bite has led to all manner of corporate abuses.

ECONOMIST: Worse to come

Other insurers, including Aetna and Blue Shield of California, have also announced large premium hikes.

FORBES: What's The Matter With California's Sick Health Insurance Market?

To shield themselves from further tax hikes, large corporations would likely argue that the success of small businesses is directly related to that of their bigger brethren.

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