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- Integrating this technology with chemical weed control,the practice suited to mechanization,and saved energy with improved yield. 该技术与化学调控和化学除草技术相配套,适于机械化作业,达到节能高产的目的。
- TECHNOLOGY OF CHEMICAL WEEDING IN FOREST NURSERY 林业苗圃化学除草技术
- The chemical weeding techniques of the main tree species 几种主要苗木的化学除草技术
- Problems Needing Attention in Chemical Weeding by Aeroplane 飞机化学除草作业应注意的问题
- Chemical Weeding in Cultivating Fragrant-flowered Garlic 韭菜栽培化学除草技术
- Chemical weeding techniques of poplar seedling cultivation fields 杨树育苗地化学除草技术
- Estimation on Chemical Weeding in Lawn of Green Belt along Highway 公路绿化带草坪杂草化学治理效果的评价
- Applied experiment about chemical weeding in the nursery garden 常绿苗木圃地化学除草应用试验
- Preliminary Report on Chemical Weeding at Big Seedling Nursery 大苗培植苗圃化学除草技术试验初报
- Existed Problems and Countermeasures of Chemical Weeding of Cropland 农田化学除草存在的问题及解决对策
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- Utilization of chemical weeding techniques in Mourning cypress nursery 化学除草剂在柏木苗圃中的应用技术
- We are doing a chemical experiment. 我们正在做化学实验。
- Preliminary Report on Chemical Weeding at Fire Belt and Fruit Orchard 马尾松防火道及果园化学除草试验初报
- My major is the subject of chemical engineering. 我的专业是化学工程学。
- Ammonia is a chemical substance. 氨是种化学物质。
- Chemical mechanism of exotic weed invasion. 外来杂草入侵的化学机制
- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
- Beware how you handle the toxic chemical. 小心处理有毒的化学药品。
