A.棱形 B.梯形 C.長(zhǎng)方形 D.圓柱形
A.臥式儲(chǔ)罐 B.立式儲(chǔ)罐 C.球形儲(chǔ)罐 D.固定頂儲(chǔ)罐
A.0.4MPa B.0.5MPa C.0.7MPa D.0.8MPa