普碳Q235∮20圆钢冷弯试验时应选用()直径压头。
A.10mm
B.20mm
C.40mm
参考答案:B
---- Mary, are these your bags?
---- _________
A.Yes, there are
B.Yes, they’re
C.Yes, they are
D.Yes, there’re
男性,18岁,诊断肾病综合征,应用激素治疗无效,改用环磷酰胺治疗,总量不超过
A.4~6g
B.8~12g
C.6~8g
D.12~14g