Thrust cone has deep cavity and thin wall. Wall margin is hard to control during the forging process.

推力锥产品存在深腔、薄壁结构，锻造工艺过程中壁厚差难以控制。

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For the drivers, of course, that means there is virtually no margin for error: they go into the wall, or over the edge, or into each other.

对于司机来讲，当然了，这意味着他们没有丝毫犯错误的余地：否则他们要么撞上山岩，要么他们撞上石礁，要么干脆两个全部都撞上去。

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In a vote watched anxiously by traders on Wall Street, the House of Representatives backed the financial rescue plan by a comfortable margin of 263 to 171.

华尔街的交易员们焦虑不安地关注着投票结果，众议院以263票对171票的较大优势支持救市计划。

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Although Albertsons had an estimated 2.4% net margin last year, Wall Street is doubtful about its prospects.

FORBES: The Guru in the Vegetable Bin

Apple also reported strong gross margin at 40.3% above Wall Street consensus.

FORBES: Apple Earnings Miss Expectations on iPhone; Overall Performance Still Leads Industry

He cites a recent Wall Street Journal poll which found that, by a margin of 57% to 38%, Americans approve of allowing more public religious activities.

ECONOMIST: Randy Tate��s factory