Double roller press system, pneumatic pressure.

双辊双压，气动加压。

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Double roller unit available for long pin or punch grinding.

双滚轮装置可研磨长形射削或冲子。

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Equal channel angular rolling moulds are arranged on the exits of double rollers of an ordinary double roller calendar.

等径角轧制模具安装于普通双辊热轧机双轧辊出口处。

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The main destination for thrill ride junkies is The Adventuredome at Circus Circus, which features the world's only indoor double-loop, double-corkscrew roller coaster, The Canyon Blaster (shown).

FORBES: Record Breaking Roller Coasters