The working principle and energy conservation of pin, screw and temperature control equipment in pin barrel cold feed extruder were described.

介绍了销钉机筒冷喂料挤出机中销钉、螺杆及其新型温控装置的工作原理，论述了上述元件节能的理论依据。

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This paper given here describes the structures, working principle and application conditions of new type machine the scrolled barrel made in foreign countries.

本文介绍了国外研制的新型螺旋滚筒分选机的结构、工作原理和应用。

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Simple design, barrel stool + soft cushions, with hand hole, light but not simple, but cute elegance, is home-very useful working benches, stools, makeup for shoes stool!

简约设计，桶装凳身+软坐垫，设有手提孔，轻便但不简陋，优雅但不失可爱，是居家很实用的周转凳、换鞋凳、化妆凳！

youdao

It's a small and unmistakably cool-looking thing, the dark plastics working well with the brushed metal barrel that holds the camera internals.

ENGADGET: Contour+2 review: the best consumer helmet camera on the market

Mr. Santorum's few advisers said he must focus on the "deeply patriotic working-class family whose outings might include Cracker Barrel and Starbucks, " said Mark Rodgers, his former chief of staff.

WSJ: On the Road With Rick Santorum as He Takes Spotlight, Tests GOP

Popular at first as a working-class liquid lunch, the style took on the name of its barrel-schlepping fans: porter.

WSJ: Porters Get Fresh | Half Full