They sent 10000 cadres to help with our wheat harvest 他们派了一万名干部来帮助我们进行麦收。
2.
Common troubles and troubleshooting of model 4ld - 2 ricewheat harvester 2型稻麦收获机的常见故障及排除方法
3.
A field representative to the high production - region in yutian county , hebei province was selected and a 70 kg top layer soil sample was taken from the field in june , 1991 在河北省玉田县高产地区选一个有代表性的地块， 1991年6月麦收后采集70公斤的耕层土样。
4.
In this thesis , a new strip chopping anti - blocking mechanism and a new no - till planter operating well in heavy straw mulching condition are developed from the following aspects : ( 1 ) in order to solve the problem that the no - till planters can not work well when the mulched straw is long and thick , especially in the double cropping area of huabei plain where the winter wheat gives a high yield , a new strip chopping anti - blocking mechanism was developed . it consists of a group of rotary blades , a narrow tine opener , a shear bar , a hood and a deflector 在以下几个方面进行了较为深入的研究： （ 1 ）在对国内外免耕播种机防堵装置研究的基础上，针对华北一年两熟地区麦收后地表覆盖量大的特点，通过对驱动式和从动式防堵装置的对比实验，设计出一种具有高效防堵能力的带状粉碎防堵装置，该装置由组合刀片、开沟器、定刀片、罩壳和导草扳组成。
