题目内容

造成离心式压缩机喘振的原因是()

A. 组分轻
B. 出口压力高
C. 入口流量低
D. 入口压力高

查看答案
更多问题

格林-巴利综合征患者的主要危险是()

A. 四肢瘫痪
B. 并发肺部感染、肺不张
C. 并发心肌炎、心力衰竭
D. 呼吸麻痹
E. 并发消化道出血

再生障碍性贫血的Bessman分类特点是()

A. MCV正常,RDW正常
B. MCV增加,RDW正常
C. MCV减低,RDW正常
D. MCV增加,RDW增加
E. MCV减低,RDW增加

由方形膜的上缘构成的韧带是()。

A. 杓会厌韧带
B. 室韧带
C. 声韧带
D. 环甲膜
E. 环气管韧带

How should the lifeboat sea painter be rigged?()

A. Spliced into the ring on the stem post
B. Secured to the inboard side of a forward thwart and led inboard of the falls
C. Secured by a toggle to the stem post and led outboard of the falls
D. Secured by a toggle around the outboard side of a forward thwart

答案查题题库