A. 市、州级以上人民政府价格主管部门 B. 县级以上人民政府价格主管部门 C. 省级人民政府价格主管部门
A. 正确 B. 错误
A. to the bottom of the expansion trunk B. to within 1% to 3% of its capacity C. to within 1% to 3% inches of its capacity D. 1 to 3 inches from top of the vent pipe