试述油罐呼吸阀检查部位?
参考答案:
1)阻火器丝网是否阻塞、腐蚀,并清扫更换;
2)弹簧是否锈蚀,并除锈加油或更换;
3)阀片是否灵活,有否变形,应检修或更换。
急性感染性脱髓鞘性多发性神经病的体征包括
A.四肢对称性瘫痪
B.对称的病理征
C.手套、袜套样感觉障碍
D.感觉平面
E.腱反射减弱或消失
My mother strongly recommended I this suit, as the material feels soft.[ ]
A. take
B. took
C. would take
D. have taken