挡销 meaning in Chinese

backing pin
baffle pin
bumper pin

So the foundation is set for its practical use . 4 the acting - straight - sorting and dropping plug set is designed , which can solve the sorting plugs unclearly because of the difference between individual plug seedlings , and can raise the punctuality of sorting plug seedlings and the veracity of plug seedling dropping into the lead - plug - seedling - tube , in addition , the working frequency of acting - straight cylinder is calculated by analysis to the movement and strength of the key parts in this system which can accelerate the transplanting rate to 3 plants per second , further more , a lot of operated experiments indicate that the working reliability of this set can be raised under the condition of the proper seedling transplanting speed
4采用直动? ?双挡销式分钵落苗系统，不仅解决了因为钵苗个体差异带来的分钵不清的问题，而且提高了钵苗分钵的准时性和钵苗落入导苗管的准确性；同时，通过对该系统工作过程的主要工作参数的运动和受力情况分析，确定了该系统各直动汽缸的工作频率，使分钵落苗速度达到3株/秒以上，进一步通过大量试验对其进行验证，证明了该系统在满足栽植速度要求的前提下，可以大大提高了系统的工作可靠性。