游梁式抽油机抽油的井  beam pumping well

抽油烟机  PVA; soot absorber

复合平衡式抽油机  compound-balanced pumping unit

链式抽油机  chain drawingoil machine

气冲式抽油机  air agitation

曲柄平衡式抽油机  crank-balanced pumping unit

双井抽油机机架  the frame of double-well pumping unit

双驴头游梁式抽油机  twin-horse head pumping unit

游梁式抽油机  Walking-beam Pumping Unit; beam pumping unit; beam unit; beam pumper; beam pumping units; Beam-pumping Unit; Rocker-type oil pumping unit; beam-pump unit; beam-pumped machine; moving beam typed oil suction pump; Beam pump; Beam-balanced pump; travel-beam pumping unit

直线电机抽油机  linear motor pumping unit

柴油发动机机油油位  deo oil level

柴油机机油  diesel engine oils; diesel engine oil

柴油机机油冷却器  diesel oil cooler; lube oil cooler for diesel engine

柴油机油烟  diesel soot

铲运机发动机机油油面  scraper engine oil level

船用柴油机机油  marine diesel oil

发动机机油油槽  engine oil sump

发动机机油油槽区  engine oil sump compartment

发动机机油油尺  engine oil dipstick