New construction method is adopted in aspects of ruling, alignment, measurement and welding so that construction quality of oil slurry nozzle can assured.
在划线、组对、测量、焊接方面采用了新的施工工艺，保证了油浆喷嘴的施工质量。
New construction method is adopted in aspects of ruling, alignment, measurement and welding so that construction quality of oil slurry nozzle can assured.
在划线、组对、测量、焊接方面采用了新的施工工艺，保证了油浆喷嘴的施工质量。
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