炉箧积

嵌入式GIS地图数据是分幅、分块记录和存储的,物理完整的面状地理实体在切割边界会产生缝隙。

grate

grate with hollow bars

traveling grate type dryer

ventilation grate

tipping grate

underfeed grate, cylindrical roller grate

grate

stationary grate