This new type of liner material has caught up and surpassed partly the material of RESCO Company in U. S with its performances.
所研制的新型衬里村料已达到并部分超过美国RESCO公司材料的性能指标。
This new type of liner material has caught up and surpassed partly the material of RESCO Company in U. S with its performances.
所研制的新型衬里村料已达到并部分超过美国RESCO公司材料的性能指标。
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