词汇	compacted sand layer
释义	compacted sand layer 实砂层
随便看	air and vacuum valve air and variations air and waste gas air and water Air and water are indispensable to life Air and water are needful for living things air and water controller air and water distribution system air and water heater air and water heater, combined air and water hose Air and water hose coupling of rock drill air and water post air-and-water post air and water ratio air and wind cause quick chemical changes air angle grinder Air Anglia Ltd air anion air-anion concentration air anion generator air-annealing air an opinion airans air antiaircraft rocket