double barrel

基本解释

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。
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。
In accordance with this problem, a new pump of small diameter with double barrel has been developed. Experimental study of the deep pumping process has been conducted and attained a success.
针对这一问题，研究设计新型双筒式小直径抽油泵，进行了深抽采油工艺技术的试验研究，获得了成功，取得了良好的经济及社会效益。

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
It remains to be seen how Iraq could impact oil prices, but the price per barrel for crude has seen double-digit declines over the past month.
FORBES: Saudi Arabia Keeps OPEC Spigots Open