The most important advantage of this system is saving energy resource and low runningexpense.
此采暖系统的最大优点是节约能源,运行费用小。
2
The authors presented principle, process, operation, applied range and runningexpense of a bioslurry reactor, with an emphasis on the intensifying method.
Environmental impact and runningexpense of minitype gas-fired boiler and oil-fired boiler are compared and analyzed in this paper from the environmental economy Angle.