It's easy for project budget and can save 20% of the total charge compared to flange connecting, the construction don't need the power supply, oxygen, and fire.

便于工程预算较法兰式连接节约总工程费用地20%，施工无需电源、氧气、明火。

youdao

Everest without oxygen, exponentially more than a national public-relations campaign budget from Harbin to Hainan.

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