A. 选准进攻方向和突击点 B. 坚定灵活果断的指挥 C. 组织好内外配合 D. 参战人员写出书面安全承诺书
A. liquid commodities in containers B. bottled liquid commodities C. common liquid commodities in bulk D. liquid commodities in cylinder
A. 路面、路肩、挡土墙 B. 路肩、边坡、缘石、挡土墙 C. 路肩、边坡、排水设施、挡土墙 D. 路堤、边坡、垫层、路面