double barrel 复式岩心管 ; 双管散弹枪
double barrel electric hoist 双筒电动卷扬机 ; 双筒电动绞车
double barrel midship pump 双筒船中部抽水泵
double-barrel separator 双筒分离器
Double Barrel Shotgun 双管散弹枪 ; 双筒鸟枪
double barrel colostomy 双管结肠造口术
double-barrel shock absorber 双筒式减震器
double barrel carburetor 双筒汽化器 ; 双混合室汽化器
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。
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