词汇	net drilling time
释义	net drilling time 业纯钻进时间
随便看	ecology of food ecology of fresh water ecology of freshwater fish production ecology of grassland ecology of halophytes ecology of historiography ecology of language ecology of law ecology of literature ecology of marine sediments Ecology of market ecology of marxism ecology of nature ecology of oral cavity ecology of physical education ecology of plankton ecology of plant ecology of public administration ecology of root pathogens ecology of salt marsh ecology of sport Ecology of the Death Knight ecology of the ethnic groups ecology of tropical savannas ecology of vegetation