以成虫和囊尾蚴作为人体寄生阶的是
A.蓝氏贾第鞭毛虫B.链状带绦虫C.斯氏狸殖吸虫D.似蚓蛔线虫E.刚地弓形虫
参考答案:B
Where did the conversation take place [A] On a train. [B] In the dining room. [C] In a shop.
粗滤
A.G4垂熔玻璃滤器B.G6垂熔玻璃滤器C.砂滤棒D.0.65~0.8μm微孔滤膜E.板框式压滤机