Through R & D on the preparation of black weeding mulching film, the adequate recipe of black masterbatch and the manufacturing technology of black weeding mulching film were developed.
通过对黑色除草地膜的研制，找到较为合理的黑色母粒的配方以及黑色除草地膜的生产工艺。
Through R & D on the preparation of black weeding mulching film, the adequate recipe of black masterbatch and the manufacturing technology of black weeding mulching film were developed.
通过对黑色除草地膜的研制，找到较为合理的黑色母粒的配方以及黑色除草地膜的生产工艺。
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