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本文介绍了几种典型压力容器：球形容器、高压洗涤器的焊接工艺评定。
This paper introduces some welding procedure qualifications for spherical storage tanks, high pressure scrubbers.
youdao
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本文介绍了几种典型压力容器：球形容器、高压洗涤器的焊接工艺评定。
This paper introduces some welding procedure qualifications for spherical storage tanks, high pressure scrubbers.
youdao