英德
有道
百度
谷歌
图片
维基
百科
耙头 [pá tóu]
drag
- 研究了耙齿对地压力、耙头吸腔密封度等因素的影响，并做出了调整和改进。
In addition, the influence of drag-teeth's pressure against riverbed and sealed degree of the drag head were also tested, and some adjustments and improvements were made. - 和亲本的形态学性状，观察到在鳞被、体色、头长、体高、鳃耙数等性状上，亲本与杂种F：之间有较大的遗传差异。
The apparent differences were observed in scale, body colour, head length, body height, gill rakers and so on between theirparnets and between the parents and the hybrid Fi. - 文章介绍耙吸挖泥船主要疏浚设备之一——耙头新技术的研制，通过对工作原理及国际上新型耙头的研究和分析，进行优化设计，开发了新型主动耙。
A new type of active drag head has been produced through the study on its working principle and the new drag types in the world.
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