竖向模板支架支承部分安装在基土上时，应加设垫板；如用钢管作支撑时在垫板上应加钢底座。垫板应有足够强度和支承面积
参考答案：对
He made another wonderful discovery, _____ of great importance to science. [ ]
A. which I think it
B. which I think it is
C. which I think is
D. I think which is
某垃圾焚烧处理生活垃圾量为300t/d，需要添加辅助燃料轻柴油1.2t/d，生活垃圾和轻柴油质量分析成分如下表所示：生活垃圾和轻柴油质量分析成分表（%）试计算焚烧废物需要的理论空气量（）
A.30745.4m3/h
B.30776.6m3/h
C.25207.5m3/h
D.26215.8m3/h
试计算焚烧废物需要的理论空气量（）