用同一双面刀盘在格里生机床上成功地切出了等高齿双圆弧弧齿锥齿轮副。

By using the same alternate blade cutter, bi-arc spiral bevel gear pair with equal-height tooth can be produced on the Gleason machine.

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她很漂亮，有一双小巧白皙的手，一副甜美的笑容，还有许多美丽的裙子。

She is pretty, has small white hands, a sweet smile, and beautiful dresses.

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游客：我想租副滑雪板和一双滑雪靴。

Traveler: I want to rent skis and boots.

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But abruptly, fiendishly, the tender pattern of nudity I had adored would be transformed into the disgusting lamp-lit bare arm of a man in his underclothes reading his paper by the open window in the hot, damp, hopeless summer night.

然而突然，糟糕得很，我崇拜的那副美好的裸体,投入了台灯下一双男人赤膊的肩膀，他穿着内衣裤,读着报纸，靠在敞开的窗边，沉浸在,炎热，潮湿，绝望的夏夜里。

耶鲁公开课 - 1945年后的美国小说课程节选