double lift single cylinder jacquard
single acting compressor
single acting control valve
single acting pile hammer
single cylinder diesel engine
single cylinder engine
单缸发动机
单气缸发动机
单缸机
单缸动力机
二冲程引擎
单片式离合器
Single cylinder pin type
single cylinder plunger pump
single cylinder two stage air compressor
1# Generator Single Unit Initiating Single Pump
cable-stayed bridge with a single tower and single
cable-stayed bridge with single cable plane and single tower
single column over single pile
Single hole with single initiation