问题 问答题 简答题

自动润滑系统系统堵塞排除措施

答案

参考答案:

(1)启动泵,按住泵内电路板上白色启动按钮五分钟,泵搅拌杆以15r/min顺时针旋转.

(2)依次拧动分配器各出口处的管路接口,若有油脂从分配器的出口流出,如从分配器的1口流出,则说明该出口所连接的油路发生发生堵塞,即所接的润滑点发生堵塞.

(3)发现堵塞的管路或轴承,可通过油枪将堵塞的轴承或管路打通.

(4)检查安全阀,如果开启压力过低并通过旋紧压紧螺母不能排除时,应予以更换.

(5)检查泵单元,如果油压力压力不足,应予以更换.

阅读理解

阅读理解。

         Open: Mon. -Thur. 9:30 a. m. -5:00 p. m.

          Sat. & Sun. 10:00 a. m. -9:00 p. m.

      Welcome to Wonderful Museum. This month we are having a special show about fashions from

different countries. You can find how people dressed many years ago. What did the Americans wear

one hundred years ago? Did the Indians wear formal costumes for parties? And when did the Russians

make the comfortable shoes in their factories? How long did the Japanese kimono exist (存在)? You

will find the answers.

     After this trip of the fashion history, you can watch how to make clothes in old machines in the

Clothes-making Room on the corner of this floor.

1. On which day is the museum closed?

A. Monday. 

B. Friday. 

C. Wednesday. 

D. Tuesday. 

2. You can't get any information about ____ in the museum. 

A. South Korean clothes

B. Japanese clothes

C. Indian clothes

D. German clothes

3. The underlined sentences are mainly about ____. 

A. the warm welcome

B. some questions

C. farming tools

D. some information you can get in the museum

4.  Most probably (可能地), you will visit the ____ last. 

A. American Room

B. Russian Room

C. German Room

D. Clothes-making Room

5. Which of the following is true?

A. We can visit the museum at 9:00 a. m. on Wednesday. 

B. The museum isn't closed at 9:30 p. m. 

C. We can visit the museum at 10:30 a. m. on Saturday. 

D. The museum is open at 9:30 a. m. on Sunday. 

多项选择题