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。
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。
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.
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