词汇	low-gas coal mine
释义	low-gas coal mine 低瓦斯矿井
随便看	time-and-a-half time and a halves time and altitude azimuth time-and-altitude azimuth time and amount time and area closures time and attendance Time and chance reveal all secrets time and charge request call time and charges time and clock Time and Clocks in Dshow time and control code time and coordinate reference systems time and cost Time and cost can be saved by use of E mail time and cost clerk Time and Cycle Log Time and Cycle Record time and date Time and Date display support time and date stamp time-and-distance time and distance charging time and distance metering