单词	sand equivalent
释义	sand equivalent 含沙当量
随便看	Mechanical Overspeed Protection Control mechanical overspeed trip mechanical overspeed trip point mechanical overtravel mechanical packer mechanical packing mechanical packing association mechanical paddy husking Mechanical pain mechanical pantograph mechanical pantograph manipulator mechanical pantogrpah mechanical paper mechanical paper tape reader mechanical papillae mechanical paraffin removal mechanical parallel circuit mechanical paralysis mechanical parameter mechanical parameter optimization mechanicalparameters mechanical parameters mechanical parameters estimation mechanical parameters of rock mechanical parameters of rock mass