| 1. | 55 would it be possible for me to hae a closer look at your samples 可以让也喂垡幌履忝堑牟烦铝惺衣穑 |
| 2. | 55 would it be possible for me to have a closer look at your samples 可以让也喂垡幌履忝堑牟烦铝惺衣穑 |
| 3. | 55 would it be possible for me to have a closer look at your samples 可以让也喂垡幌履忝堑牟?品陈列室吗? |
| 4. | General - purpose and lift - throwing type moldboard ploughs for paddy field - share 通用型窜垡型水田铧式犁.犁铧 |
| 5. | General - purpose and lift - throwing type moldboard ploughs for paddy field - bottow 通用型窜垡型水田铧式犁.犁体 |
| 6. | Application of the civil structure coffer dam in construction and diversion project 草垡在水土保持工程上的应用 |
| 7. | General - purpose and lift - throwing type moldboard ploughs for paddy field - moldboard 通用型窜垡型水田铧式犁.犁壁 |
| 8. | General - purpose and lift - throwing type moldboard ploughs for paddy field - landside 通用型窜垡型水田铧式犁.犁侧板 |
| 9. | The young man with his clear eyes and the fair curls which suggested a girl dressed up as a boy bowed easily to the countess and reminded her of a bout of battledore and shuttlecock they had had together two years ago at les fondettes 年轻人有一双明澈的眼睛,长着一头金色的鬈发,模样颇像女孩子装扮成的男孩。他大大方方地向伯爵夫人行了礼,还提醒她说,两年前,他们在丰垡特还一起打过一场羽毛球呢。 |
| 10. | The thesis had done the theories analysis in detail and built the relevant mathematics models aiming at the mechanics characteristic about the lodging of stalk , the elastic and plastic deform of stalk under the action of the transverse loads , the mechanics condition which causes stalk pushed , the relation between the speed of unit and the surface radius of ski , the relevant location between the thickness of the compressed stalk and action location of load , the relevant location between the mating device and plough , the coefficient of overturning soil under the thickness of the compressed stalk and so on . in addition , the computer aided analysis and simulating experiments in field were acted by choice 本文对秸秆自倒伏力学特性;横向载荷作用下的茎秆弹塑性变形与秸秆被推倒的力学条件;机组作业速度与滑撬曲面半径的关系;秸秆压实厚度与加载作用点的相对位置;配套装置与犁体相对位置;秸秆压实厚度下的翻垡系数等,进行了较详细的理论分析并建立了相关数学模型。在此基础上,本项研究还选择性地进行了计算机辅助分析和田间模拟试验。 |