Corrugated unplasticized PVC pipes.Flexibility test.是什么意思 Corrugated unplasticized PVC pipes.Flexibility test.怎么读
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英文标准名称： Agricultural drainage.
Corrugated unplasticized PVC pipes.Flexibility test.的相关资料
CORabbr.转动中心（=center of rotation）abbr.角落（=corner）
Corraro科拉罗
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