对镍铬不锈钢铸件进行碱煮,所用氢氧化钾水溶液的浓度是
A.10%
B.45%
C.25%
D.20%
E.30%
参考答案:B
I Little Johnny felt the bag, curious to know what it_________. [ ]
A. collected
B. contained
C. loaded
D. saved
下列各项,不属成痈期肺痈的主症是()
A.胸部疼痛
B.寒战壮热
C.咳嗽气急
D.咳吐脓血腥臭
E.舌苔黄腻脉滑数