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- Planting years of rubber trees 植胶年限
- There are many rubber trees in the botanical garden which can produce a lot of rubber every year. 植物园里有好多橡胶树，每年可以出产不少橡胶。
- Results showed that application of 1% KI or saturated macrolides could lead to increase of latex yields of rubber trees. 结果表明施用1%25KI和饱和浓度大环内酯的橡胶树胶乳产量大量增加，其增产幅度与作为天然橡胶常用刺激采胶剂-0.;3%25的乙烯利的增产幅度大致相当。
- Yadong company was formerly the third Qingdao Rubber Machinery Factory, was founded in October 1976, with more than 20 years of rubber production machinery of history. 亚东公司前身是青岛第三橡胶机械厂，始建于1976年10月，具有20多年生产橡胶机械的历史。
- The allelopathic effects of aqueous extract of root, stem and leaf from 3 strains of rubber trees (He-vea brasiliensis) on the seed germination and seedling growth of peanut, watermelon, maize were investigated. 研究3个橡胶品系根、茎、叶水浸液对花生、西瓜、玉米3种受体作物种子及其幼苗生长的影响。
- In years of plenty everyone has plenty to eat. 丰年时人人都吃得饱。
- Lab Experiment on Harm of Fluoride on Rubber Trees. 大气氟化物对橡胶树的伤害实验研究。
- His years of study were useful in his job. 他多年的学习有助于他的工作。
- Success is the fruition of his years of work. 成功是他多年工作的成果。
- They worked on the farm, tapping rubber trees. 他们在这农场做割胶的工作。
- Tires are usually made of rubber. 轮胎通常由橡胶制成。
- The price of rubber collapsed within a year. 橡胶价格在一年内暴跌了。
- It took years of hard work to speak good English. 讲一口流利的英语需要多年的刻苦操练。
- Ball bowed out after40 years of railroading. 鲍尔在铁路上工作了四十年以后退休了。
- White Root Disease of Rubber Tree 橡胶树白根病
- Find the year of your birth on the illustration. 在插图上找一找你出生的年分。
- anthracnose of rubber tree Hevea brasiliensis 橡胶炭疽病
- She got a divorce after years of unhappiness. 经过多年的不幸之后，她终于离了婚。
- He settled down after years of roaming. 漂泊数年后，他定居了下来。
- The space program is the evolution of years of research. 太空计划是多年研究的发展结果。
