covering film 导电高分子膜 ; 覆膜
metal covering film 金属包膜
vacuum covering film 真空覆塑
covering film techniques 地膜覆盖栽培技术
The covering film which is pasted on the grinding wheel surface has been fabricated by using laser cutting and screen printing.
该方法利用激光切割技术和丝网印刷技术制作出一种能涂敷在砂轮基体上的掩膜。
参考来源 - 磨料三维多层可控排布电镀砂轮的若干研究·2,447,543篇论文数据,部分数据来源于NoteExpress
It is introduced its production process, key technique and equipments as well as the paint and covering-film used for it. The main quality control factors in production are analyzed.
介绍了涂层钢板的生产工艺、关键生产技术、设备以及涂层钢板所用涂料和覆膜,同时对涂层钢板生产过程中的质量控制要素进行了分析。
But we can allow some poetic license because what the film gets right: fabulous shots of the city as we know it, covering the picturesque landmarks.
但是我们可以给予一些富有诗情的特许,给电影中正确的那些:那些为我们所知的关于城市的美丽镜头,包括那些如画的地标建筑。
The results showed that the film covering had obvious effect on soil water conservation at the middle stage of corn growth, but neither at the earlier, nor later stage was obvious.
结果表明,地膜覆盖在玉米生育中期保水效果明显,而在生育前期和后期保水效果不明显;
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