某化工厂年产硝酸是m=6000t,每吨硝酸排废气量Ki=3600m3(N),求该厂废气排放量Qs
参考答案:
Qs=Kim=3600×6000=21600000[m3(N)]
My mother is____soup. She often _____soup for us.
A.make;making
B.making;makes
C.do;doing
D.doing;does
患者男性,52岁,3年前行阑尾切除术,1d前出现腹痛,不排气排便。
该患者所患肠梗阻最可能属于
A.机械性肠梗阻
B.麻痹性肠梗阻
C.慢性肠梗阻
D.痉挛性肠梗阻
E.血管性肠梗阻