短語詞組短語mulching plastic film 辳用地膜mulching with film 地膜覆蓋rice mulching plastic film 地膜稻residual mulching plastic film 殘膜plastic mulching film 塑料地膜weeding mulching film 除草地膜PE waste mulching film 聚乙烯廢地膜ldpe mulching film 低速度聚乙烯地膜 返回 mulching film