一座焦炉的炭化室宽度为405mm,锥度为50mm那么机侧炭化室的宽度为()mm。
A.430
B.425
C.450
D.475
参考答案:A
People can't live _____ plants. [ ]
A. with
B. without
C. from
D. on
具有消食健胃、回乳消胀功效的药物是()
A.神曲
B.山楂
C.鸡内金
D.稻芽
E.麦芽