If the set collar end hardness is lower than HRC40, should first on the end surface again a built-up welding hard alloy, after the polish repackaging.

如果固定环端面硬度低于HRC40，则应先在端面上重新堆焊一层硬质合金，经磨光后再装配。

youdao

To occupy the time I talked with a rather superior tramp, a young carpenter who wore a collar and tie, and was on the road, he said. for lack of a set of tools.

为了打发时间，我和一个稍为体面些的流浪汉聊起了天，他是个木匠，穿着衬衣，打着领带，据他本人所说，他是因为缺少一套工具而不得不四处流浪的。

youdao

Pull the seat belt out slightly and set the collar aside.

轻轻地将安全带拉出，然后将凸缘放到一边。

youdao

"A lot of it had to do with the decline of heavy industry, which employed a lot of blacks and blue-collar whites, in a whole set of Rust Belt states, " he said.

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The demolition of the Third Avenue Elevated subway line set off a building boom and a white-collar influx, most notably of young educated women who suddenly found themselves free of family, opprobrium, and, thanks to birth control, the problem of sexual consequence.

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Majora Carter, who set up Sustainable South Bronx to help lift the area out of poverty by creating green-collar jobs, is frustrated by this difference between the European and American industries.

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