V型双缸发动机  V-cylinder Engine

半自动双缸洗衣机  semi-automatic washer-dryer

长网双缸纸机  Double-dryer Fourdrinier Machine

单缸双级空压机  single cylinder two stage air compressor

双缸柴油机  two cylinder diesel engine

双缸动力机  double cylinder engine

双缸发动机  double cylinder engine; Two cylinder engine; twin cylinder engine

双缸式涡轮机  two-cylinder turbine

双缸式蒸汽机  two cylinder steam engine

双缸压缩机  twin cylinder compressor; duplex cylinder compressor

双列四缸对置式蒸汽驱动往复压缩机  duplex four-cornered steam-driven reciprocating compressor

双汽缸发动机  double cylinder engine

推土机双向倾斜控制油缸  bulldozer dual tilt cylinder; bulldozer twin tilt cylinder

机－机双基地雷达  bistatic radar onboard airplane

双机双桨  double engine and double oar; Double Engines and Propellers

CS1D双机系统  CS1D Duplex System

柴油机双层隔振系统  vibration isolation system

成对双机并联运用  Two receivers in parallel connection backup each other

单机双级螺杆制冷压缩机组  compound two stage screw compressor unit