As we all known plastic bags are non-biodegradable material and it will stay in the soil for a long time.
众所周知，塑料袋是不可生物降解的材料，会长期留在土壤里面。
As we all known, plastic bags are non-biodegradable material and it will stay in the soil for a long time.
众所周知，塑料袋是不可生物降解的材料，会长期留在土壤里面。
The quality and performances of non-woven fabric and plastic core board place an important role in speeding up the consolidation of soft soil foundation.
无纺布滤膜和塑料芯板的质量与性能，对排水板在软基加固工程中能否发挥其加速软土固结排水的功能至关重要。
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