单词	沙盘演习
释义	沙盘演习 sand-table exercise演习
随便看	spring-dashpot model spring deflection spring defoliation spring deformation of rolling mill spring dental prosthesis with springs spring depth gage spring depth gauge spring design spring detent spring detent escapement spring-device spring-device reciprocating-piston pump spring device transverse spring device spring diaphragm spring diaphragm reducing valve spring die spring-die spring disastrous low clouds spring-disc spring discharge spring discharge attenuation spring disconnecting mechanism spring disease spring-disk valve spring divider