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A busy manager needs a completely unflappable secretary.
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经理工作忙就需要一个头脑十分冷静的秘书. |
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A busy work from day to night: daily briefing and sharing session.
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交流团工作由早到晚：每天出发的简报与晚上的分享会。 |
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A buttered cat will, when released, quickly move to a height where the forces of cat-twisting and butter repulsion are in equilibrium.
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当“猫油”被释放的时候，它将迅速地上升，直到猫和黄油的相互影响达到平衡的高度为止。 |
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A butterfly is an insect.
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蝴蝶是一种昆虫。 |
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A butterfly is flying over there.
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那儿蝴蝶飞舞。 |
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A butterfly is flying up and down among the flowers.
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有一只蝴蝶正在花丛里忽上忽下地飞着。 |
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A butterfly isolation valve cannot be installed directly to the valve inlet flange, as the disc will contact the orifice plate.
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蝶阀隔离阀不能够直接安装在阀门进口法兰上，因为其阀瓣将会接触到节流板。 |
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A butterfly valve is generally 40% the cost of an iron gate. Not only low initial cost but low installation costs also.
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一个蝶阀的成本通常只有铸铁闸阀的40%，不但购买成本低，而且安装成本也比较低。 |
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A butterfly-shape arch bridge in Zhongshan City is a multi-element spatial structure composed of inclined steel arch ribs, curved steel box girder and inclined suspenders, and the structural behavior of the bridge is particularly complicated.
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摘要中山市蝴蝶拱桥是由倾斜钢拱肋、曲线钢箱梁和倾斜吊杆组成的多元空间结构，受力行为复杂。 |
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A button has come off my coat.
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我的大衣掉了一颗扣子。 |
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A button has come off your coat.
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一粒钮扣从你上衣脱落下来。 |
