Under no circumstances should you pitch a product, service, or prospective business opportunity on someone's public wall or profile.
在任何情况下，您都不能在别人公共页面直接推销产品，服务或者潜在商业机会。
2
The proposed graphical method may directly plot the CAM profile without plotting its pitch curve, therefore its construction is more simplified and more accurate.
这种作图法可以直接求出凸轮的实际轮廓曲线而毋须绘制其理论轮廓线，因而使作图简化精确。
3
According to the new national gear standard, three deviation-measuring items must be included in the checkout of single gear: profile deviation, helix deviation and pitch deviation.