单词	direction code
释义	direction code 流向代码,方向代码
随便看	steel pipe truss steel-pipe truss steel pipe wall thickness Steel pipe welding steel-pipe welding machine steel pipe with cast basalt insertion steel pipe with cast-basalt insertion steel pipe with large caliber steel piping steel pit steel placement eccentricity steel plain splice steel plain web girder steel plain web girdersteel solid webgirder steel plane steel planing steel-planks piles surrounding wall steel plant steel-plant steel plant dust steel plants Steel Plant Wastes Steel/plastic coextrusion steel-plastic composite pipe steel-plastic door and window