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- The effect is obvious on weed control with black film mulched,the fresh weight of weed in field is reduced 70. 利用黑色地膜覆盖防草效果明显,田间杂草鲜重比与黑膜同材质的透明地膜覆盖减少70。
- Together, the rays remove the black film, leave the marble white, leave details intact, and reveal ornamentation and colors long forgotten. 同时,射线可以驱除黑色外膜,使大理石变白,保留细节不受损害。并且展现出外观和色彩感。
- Mulching black film can prolong the growing periods and raise the rhizomes yield underground of Codonposis Lanceolata Bentn et Hook.f and Platycodon grandiflorum(Jacq) A. 覆盖黑色地膜可延长轮叶党参和桔梗的生育期,提高地下部根的产量;
- Go up in the international market at present, after certain and high-grade product surface plating has gun black film, its value not under aureate product. 目前在国际市场上,某些高档的产品表面镀有枪黑色镀层后,其价值不低于镀金的产品。
- A layer of black film is present on the surface of plasma carburized AISI 316 austenitic stainless steel, which affects the surface quality and corrosion resistance of the carburized stainless steel. 摘要奥氏体不锈钢离子渗碳后,表面覆盖了一层结合牢固、致密的黑色薄膜,不仅影响表面美观度,还影响了耐腐蚀性能。
- Is the film in colour or black and white? 这胶卷是彩色的还是黑白的?
- The film was shot in black and white. 这部电影拍成了黑白片。
- Viewtiful Joe 2 The Mystery Of Black Film 红侠乔伊2黑胶卷之谜
- Newton's law of motion apply to all things on the earth. 牛顿时的运动定律适用于地球上一切东西。
- We owe this discovery to Newton. 我们的这一发现归功於牛顿。
- Black Film Prepared by Ion Plating 离子镀黑膜替代磷化、阳极氧化等表面发黑工艺初探
- Keywords zinc plating;chromating;black film; 镀锌;铬酸盐处理;黑色膜;
- He was in black from crew to earing. 他全身上下都穿着黑衣服。
- He discoursed impressively on Newton's theory of gravity. 他讲述了牛顿的引力定律,给人以深刻的印象。
- He whipped up a pistol and shot at the black bear. 他急忙抓起手枪,向那头黑熊射击。
- Many people were taken off by the Black Plague. 许多人被黑死病夺去了生命。
- The man is carrying a small black plastic handbag. 这个人提着一个黑色的小塑料提袋。
- The old trade in black ivory is on more. 昔日非洲黑奴的买卖已不复存。
- The black sedan suddenly drew out into the traffic. 黑色轿车突然开动,驶进了车流。
- I have a snag in my best black tights. 我最好的一条黑裤袜给划破了。