... double-carbon arc lamp ==> 双碳极弧光灯 double-casing ==> 双层机壳式 double-casing machine ==> 双机壳电机,内外机座型电机 ...
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double-casing volute pump 双涡壳泵
double-casing motor 双层机壳式电机
double-casing turbine 双缸汽轮机
double casing 双层外壳
double-casing volute pump coupling 双涡壳泵联轴器
double-casing machine 双机壳电机 ; 双机壳型电机
double-casing turtraye 双缸汽轮机
double-casing turpilee 双缸汽轮机
Upper section composed of driving sprocket upper casing with rails (double chain) and discharging outlet.
上部区段，由传动链轮及带有轨道(双排链)的上部机壳、卸料口组成。
Thee main products are: all kinds of diamond drill bits, PDC bits, casing boots, reaming, single and double tube wireline coring drilling, coring drill pipe, casing and other drilling tools.
主要产品有：各类金刚石钻头、复合片钻头、套管靴子、扩孔器、单双管绳索取芯钻具、绳索取芯钻杆、套管及其它钻探工具。
According to the basic conditions of Tahe oil field, the paper discusses the reasons of using single stage double plugging cementing methods in intermediate casing.
根据塔河油田的基本情况，分析了技术套管固井使用单级双封固井技术的原因。
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