按照JB 4708-2000《钢制压力容器焊接工艺评定》的规定,对接焊缝试件评定合格的焊接工艺不适用于角焊缝。()
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Neighbors are the people who live near us. In your opinion, what are the qualities of a good neighbor? Use specific details and examples, write an essay of about 400 words on the following topic:
The Qualities of a Good Neighbor
In the first part of your essay you should state clearly your main argument, and in the second part you should support your argument with appropriate details. In the last part you should bring what you have written to a natural conclusion or make a summary.
Marks will be awarded for content, organization , grammar and appropriateness. Failure to follow the above instructions may result in a loss of marks.
Write your essay on ANSWER SHEET FOUR.
JB/T 4700-2000《压力容器法兰分类与技术条件》中规定:对乙型法兰短节的制造、检验与验收要求与对接的圆筒相同。()
SY/T 6507-2000《压力容器检验规范 维护检验、定级、修理和改造》中规定:进行压力试验时,如果试验压力超过了具有最低整定值的安全阀的整定压力,则安全阀应被拆除。()
GB/T 19624-2004《在用含缺陷压力容器安全评定》适用于含平面缺陷(包括裂纹、未熔合、未焊透、深度大于等于1mm的咬边等)的承压元件的安全评定。()