Portable cua compressor thiab drilling rigs yog dav siv nyob rau hauv txoj kev thiab railway kev tsim kho.Portable cua compressor yog hloov tau yooj yim thiab tuaj yeem muab lub zog muaj zog rau kev ua haujlwm.Drilling rigs tuaj yeem pab koj ua haujlwm zoo hauv txoj kev thiab kev tsheb ciav hlau.
