皮皮学，免费搜题
登录
搜题
【多选题】
鼓式制动器的间隙调整要点正确的是A.
在曳引机静止状态下，使用皮老虎或吹风机等工具，清除制动衬与制动轮之间的积尘或杂物，使制动轮表面保持光洁，制动衬表面无杂质。
B.
检查制动器的全部固定和调节螺栓，应紧固无松动。
C.
听制动闸瓦与制动轮工作面，在电梯运行时，是否有摩擦声。 观察制动时制动衬是否均匀紧贴制动轮表面，如制动器间隙不合理，应根据制造单位维护保养说明中与制动器相关内容和要求进行间隙大小的调节。
D.
检查制动器两侧制动臂在打开时是否同步离开制动轮，如不同步需根据制造单位的技术要求进行同步性的调整。 一般为，在制动力足够的前提下，慢的一侧增大弹簧压力，快的一侧减小弹簧压力，直到同步，调整完毕后锁紧所有紧固件。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】The scientists from the Johns Hopkins University said that C75， the slimming drug proved effective in mice， is likely to work on humans because __________. 查看材料
A.
the chemical pathway responsible for appetite control in human is believed to be the same as that in mice
B.
it is a major pathway in the brain which is activated to regulate appetite
C.
it is especially effective in the battle against obesity
D.
its effect has also been proved by human studies
【单选题】1928年10月,国民党中央颁布“训政纲领”,规定在训政时期,“由中国国民党全国代表大会代表国民大会,领导行使政权”;国民党全国代表大会闭会期间,“以政权付托中国国民党执行委员会执行之”。这表明训政的实质是()。
A.
国民党一党专政
B.
国家民主政治的强化
C.
国民党统治的开始
D.
国家职能的扩大
【单选题】The new drug will not be put on the market it has proved safe on humans.
A.
if
B.
until
C.
since
D.
when
【单选题】The drug proved ________.
A.
be highly effectively
B.
to be highly effectively
C.
highly effective
D.
highly effectively
【单选题】The drug proved ______.
A.
highly effectively
B.
highly effective
C.
to be highly effectively
D.
be highly effectively
【单选题】Streptomycin proved to be the first drug effective against the cause of
A.
tuberculosis
B.
colds
C.
hypertension
D.
diphtheria
【简答题】The doctor prescribed a drug to the patient who had a bacterial infection. He was relieved when the bacteria that had infected the patient proved to be ________________________ the drug, and the patie...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
