问题 问答题

卷材防水屋面施工卷材搭接缝有何规定

答案

参考答案:卷材防水屋面施工,铺贴卷材应采用搭接法,其规定如下:
1)平行于屋脊的搭接缝,应顺流水方向搭接;
2)垂直屋脊的搭接缝,应顺年最大频率风向搭接;
3)叠层铺贴的各层卷材,在天沟与屋面的交接处,应采用叉接法搭接,搭接缝应错开;
4)搭接缝宜留在屋面或天沟侧面,不宜留在沟底。

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the same time before midnight and get up at the same time. Your body likes routine (常规) for a good night's

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1. If you want to get a good sleep, you'd better _______. [ ]

A. go to bed after you're tired

B. go to sleep at midnight

C. follow the bedtime routine

D. eat something or read in bed

2. To prevent from catching a cold or flu, it's good for you _______. [ ]

A. to clean your fingers often

B. to brush your teeth twice daily

C. to get up early every morning

D. to wash all parts of your hands

3. You should visit the dentist at least once a year, because _______. [ ]

A. the oral examination is necessary

B. you don't often brush your teeth

C. some diseases may be in the mirror

D. you don't have a good night's sleep

4. Studies have shown that many diseases have something to do with _______. [ ]

A. having no oral examination

B. washing hands with cold water

C. sleeping too late sometimes

D. doing little physical activity

5. When you want to learn more about the flu, you can _______. [ ]

A. visit www. mydr. com. au

B. call HealthLine at 1800 848 1313

C. visit the dentist in your place

D. call HealthLine at 1800 438 2000

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