1560s, possibly from Old French *baivel (Modern French béveau, biveau), possibly from bayer "to gape, yawn," from Latin *batare "to yawn, gape," from Latin root *bat-, possibly imitative of yawning. If so, the time gap is puzzling. The verb is first recorded 1670s. The noun is 1670s, from the adjective.
双语例句
1. Bevel gears: gears which connect two shafts at right angles.
伞齿轮: 连接直角相交两轴的齿轮.
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2. The bevel milling cutter for cutting groove of oil casing - pipes was designed.
设计了用于油气田管道坡口切割的角度铣刀.
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3. Precision forging technology is developed rapidly in production of spur bevel gear.
精密锻造直齿锥齿轮在我国发展很快.
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4. When ordering bevel gear actuators, specify mounting position as second line information.
如果是订购锥齿轮执行器, 请在第二行增加安装位置信息.
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5. Bevel gear actuators are recommended when pressure exceeds limits shown.
