noil percent是什么意思

用法例句

The droppings rates of three kinds of gill pin taker-in and one kind of saw-toothed taker-in at two doffer speeds and four taker-in speeds are tested.

对三种梳针刺辊和一种锯齿刺辊在两档道夫速度和四档锯齿速度条件下进行落棉率检测,结果证实,(1)在相同工艺条件下,梳针刺辊落棉率要大于锯齿刺辊。

The test & research of droppings rate were carried on with gill pin licker-in carding machine.

就梳针式刺辊梳棉机落棉率进行了实验研究,着重研究了不同工作角度的梳针刺辊与锯齿刺辊在不同速度下梳棉机落棉率的变化情况。