... vacuum extraction, drainage, cleaning oil, etc.10. Used to transport sewage and chemical pollution of water dailyComparison ProjectCorrugated plate heat exchangerSpiral ...
... , the road and concrete structures, sidewalks, drainage ditches, gas and sewage treatment works, backfill compaction. It can compact sand, gravel, back ...
... traditional pipe and is widely used in city rainwater and sewage discharge, drainage of residential district and mining enterprise, low pressure ...
... and draining in construction building sites, tunnels, culverts, also for sewage discharging in industry, irrigation on farmland and etc.They are ...
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