This new paper separator was composed of three layers and the base was of special fibred elt coated with a paste layer containing water-insoluble polymers for universal uses.
采用特种纤维，制成带有毡状纤维层的片基、（?）布含有非水溶性万能糊料的膜层，制出具有三层结构的新型电池隔膜。
The utility model relates to a new greenhouse rod structure which is mainly composed of a metal inner bone and plastic layers coated in and on the metal inner bone.
本实用新型为一种新型棚杆结构，主要由金属内骨，涂覆于金属内骨内、外的塑料层组成。
The utility model relates to a new greenhouse rod structure which is mainly composed of a metal inner bone and plastic layers coated in and on the metal inner bone.
本实用新型为一种新型棚杆结构，主要由金属内骨，涂覆于金属内骨内、外的塑料层组成。
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