A.0.3B.0.5C.0.8D.1
A.阻力大于浮力,末端相對壓力大于始端相對壓力B.阻力大于浮力,末端相對壓力小于始端相對壓力C.阻力小于浮力,末端相對壓力大于始端相對壓力D.阻力小于浮力,末端相對壓力小于始端相對壓力
A.焦餅過生過火B.爐墻或爐底磚變形C.裝煤結(jié)焦性好