NSE plate chain elevator is comprised of running parts, drive, upper device, middlecasing and lower device.
NSE板链式提升机由运行部件、驱动装置、上部装置、中部机壳、下部装置组成。
2
NE series plate chain bucket elevator is composed of upper section middlecasing lower section moving members driving unit maintenance platform and hanging racks.
提升机由上部区段、中部机壳、下部区段、运行部件、驱动装置、检修平台和吊架组成。
3
With the oilfields entering into the middle and later stages of development, the casing-damaged wells increase greatly.