其表面无需再涂覆 一层粘合剂，只需加热即可直接与纸张，塑料，金属等材料复合。
The polypropylene film can be compounded directly with the paper, plastic, metal and other materials after being heated.
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。
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.
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