多级顺流干燥智能控制技术
multilevel concurrent-flow drying intelligent control technology
无油润滑空压机
non lubricating air compressor
无油润滑涡旋压缩机
non-lubricated scroll compressor
Oil-free scroll compressor
循环油润滑
circulating oil lubrication
压力给油润滑法
pressure-feed lubrication
油润滑
wire mill
oil lubrication
lubrication
oil lubri- cation
oil lubricating
oil-lubrication
oil lubricated
lithium grease lubrication
油润滑导轴承
oil lubricated guiding bearing
油润滑的轮轴承
oil lubricated wheel bearing
油润滑简图
oil lubrication schematic
油润滑压缩机
oil lubricated compressor
oil-lubricated compressor