词汇	freight density
释义	freight density 货运密度
随便看	submerged tube evaporator submerged-tube evaporator submerged tube forced circulation evaporator Submerged tube heating device submerged tube type evaporator submerged tunnel submerged turbulent jet submerged type submerged type construction joint submerged-type contraction joint submerged type desuperheater submerged type evaporator submerged type tube distiller submerged ultrafiltration membrane submerged underwater repeater submerged under water zone submerged unit weight Submerged Unmanned Recovery Platform submerged up-cut cultivation submerged valley submerged valleydrowned valley submerged vane submerged vanes submerged vegetation submerged vegetation zone