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- residual contact poison 残效接触毒
- The calculating formulas related the residual contact pressures to hydroform... 结果表明该装置结构及其计算方法适于工程应用。
- In this paper, the residual contact pressure of hydraulically expanded joints of tube to single tube model of heat exchangers is investigated. 采用液压胀接技术，对换热器液压胀接后管子与单管模型的残余接触压力进行了研究。
- It can be concluded that the diameter of the tubesheet has little influence on the contact pressure and the residual contact pressure. 得出液压胀接时管板外径对胀管的接触压力和残余接触压力影响不大等结论。
- In order to study the mechanism of action of tea saponin on Pieris raPae,antifeedingeffect of tea saponin on P. rapae 5-instar larva was examined,and contact poison and stomach poi-son actions of tea saponin on P. rapae 4-instar larva were also examined. 为探讨茶皂素对菜青虫的作用方式，测定了茶皂素对菜青虫Pierisrapae（Lin-naeus）5龄幼虫的拒食作用，以及对4龄幼虫的触杀和胃毒作用。
- Application of residual contact insecticides early in peek of flies breeding could drop flies population density more than later, and could be cost saving and laboursaving comparing with space spray. 在苍蝇繁殖高峰前施用滞留性喷洒，可以取得更佳的灭蝇效果；在获得相同灭蝇效果的情况下滞留性喷洒可以比空间喷洒节省人力和药费。结论:滞留性喷洒是蝇类防制中值得推荐的灭蝇方法。
- Drawer Handle Smeared with Contact Poison 涂有接触毒素的抽屉把手
- Changes of Residual Contact Pressure During Welding after Expanding 先胀后焊过程中接头残余接触压力的变化
- The residue contact pressure will be decreased after temperature cycle, the higher the working temperature, the lower the residue contact pressure, which has been proved by experiment. 研究表明，当复合管处于热加载状态时，复合管存在着极限工作温度；经过极限温度循环后，残余接触压力将减小，且极限温度越高，残余接触压力值越小；通过实验得到了验证。
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- A New Method for Measuring the Residual Contact Pressure of Hydraulic Expansion 一种新的液压胀接残余接触压力的测定方法
- That poor madam has lost all contact with reality. 那位可怜的夫人脱离了现实生活。
- For further information, contact your local agent. 要进一步了解情况，请与本地代理商联系。
- Have the children been in contact with disease? 孩子们同这种疾病有过接触吗？
- Helping a caller to contact somebody by phone. 帮助打电话者同某人电话联系。
- I came in contact with her by telephone. 我和她通过电话联络。
- A poor contact causes power to fail occasionally. 接触不良有时会造成断电。
- Do you have soft contact lens care product? 有没有软性隐型眼镜保养用品？
- I have a useful contact in New York. 我在纽约有个有用的人可以联系。
- They made contact with headquarters by radio. 他们用无线电跟总部联络上 了。
以上内容独家创作，受著作权保护，侵权必究
海词词典，十七年品牌
