切开引流法不适用于下列哪一项疾病:()
A.肛周浅部脓肿
B.单纯肛隐窝炎成脓者
C.肛隐窝炎伴隐性瘘管
D.肛隐窝炎伴肛 * * 肥大
E.以上均不对
参考答案:D
— Are they _______ comic books?
— No, they are not _______. [ ]
A. your; your
B. our; our
C. his; his
D. her; her
离心式压缩机在检修后试车前,应该进行()。