The main circuit USES the double barrel pair to stir up the topology, and USES the pulse electric current comparison control technology and soft switch technology.

主电路采用双管双正激拓扑结构，采用了逐脉冲电流比较控制技术和软开关技术。

youdao

This paper introduces the principle of double barrel drum mix plant and the application in producing the asphalt mixture, aiming at the rounding town project of Foshan.

阐述了双滚筒连续式拌和楼的工作原理，并以佛山一环城际快速路为工程依托，介绍其在沥青混合料生产中的应用。

youdao

And the big tubing cross and the double barrel structures are compose the production tree the major component, is also the entire installment main bearing pressure part.

其中大四通和双管结构是组成采油树的主要部件，也是整个装置的主要承压部件。

youdao

And as I understand it, he has a double-barrel -- he has a 12-gauge and a 20-gauge.

WHITEHOUSE: Press Briefing

What this chart does not reflect, however, is the influence of the high-yield market, which delivered a double-barrel technical boost to the loan market in August.

FORBES: Connect

So I took out a motorcycle helmet made of fibreglass, with a polycarbonate visor that could take a double-barrel shogun from 10 paces - so I though it could withstand a cricket ball!

BBC: World Series Cricket