当己内酰胺萃取停车而()运行时,苯己出料泵必须保持运行。
A、硫萃
B、反萃
C、苯蒸馏
D、冷凝液汽提
参考答案:A
______ the Venice Film Festival, we are to include high-quality films, ______ who makes them.
A.In defence of; regardless
B.In the defence of; regardless
C.In defence of; regardless of
D.In the defence of; regardless of
女性,40岁,胃病史5年余,近1月腹痛症状加剧,胃镜检查示胃角溃疡,幽门螺杆菌检查阳性。
鉴别该溃疡是良性溃疡还是恶性溃疡的主要根据是
A.疼痛程度
B.全身情况
C.大便潜血持续阳性
D.胃镜与X线钡餐检查结果
E.经内科治疗无效