A typewriter in which the characters are situated on a type ball.

字符装在字模球上的一种打字机。

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In this paper, all the calculation formulae and the program for the grinding of Gothic arc type ball tr…

本文应用共轭曲面理论，导出了球笼式万向节形壳内滚道磨削加工的计算公式并编制了相应计算程序。

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It consists of pneumatic piston actuator and the composition of O-type ball valve, valve core sphere using cylindrical hole.

它由气动活塞式执行机构和O型球阀组成，阀芯采用圆柱形通孔球体。

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"Our line-outs did not fire and we could not deliver the type of ball we needed, " said the Irish coach.

BBC: O'Sullivan critical of ref White

He is certainly not the shy and retiring type, hits the ball hard and is very confident - a trait this new-look Australian team appears to have in spades.

BBC: Jonathan Agnew column

True to type, Downey has a ball as the cavalier playboy in the early scenes.

CNN: Review: 'Iron Man' packs a terrific punch