地膜制作方法 农用地膜 地膜覆盖机设计技术（Plastic film making method, agricultural film mulching machine, design technology）.doc

地膜制作方法 农用地膜 地膜覆盖机设计技术（Plastic film making method, agricultural film mulching machine, design technology） Plastic film making method, agricultural film mulching machine, design technology 1. J410022948, a kind of environmental protection type bast film and its preparation of hemp film 2., J880017769 film manufacturing methods and plastic film 3plastic film laying device 4controlled photodegradation of polypropylene film 5film mulch machine film hanging mechanism 6combination plastic plastic film greenhouse support 7layer self mulching plastic film mulching device 8film punched seeder 9peanut cultivation method and shallow sowing planter 10composite weeding mulch film for agriculture 11plunger type film punching and seeding device 12multifunctional agricultural mulch film spraying device 13small type plastic film mulching machine 14herbicidal film containing amide herbicides 15human vegetable mulch film capping machine 16. people work 9J24225 plastic film mulching machine 17multifunctional mulch film and manufacturing method thereof 18production of controllable light and microbial degradation of polyethylene plastic film Mulching device of 19mulch film crops in Seedling Stage 20plastic film mulching machine 21film puncher 22 a plastic mulch machine 23plastic film mulching machine 24plastic film cleaning machine 25plastic film mulching machine 26 agricultural film recycling machine 27agricultural weeding film 28amplitude modulation plastic film mulching machine 29 agricultural film recycling machine 30mulch film crop hole covering soil device 31mulch film mulching machine 32recyclable reusable plastic film 33 manual plastic film planting soil sampling hole device 34.92210769