All my paint and brushes were around me, and I would get Mother or Father to pin the drawing paper to the floor to keep it steady.
颜料和画笔都在我周围，而且我会让妈妈或者爸爸把画纸钉在地板上固定住。
2
Discussion is made with focus on the influents of ZHY-2000 finishing oil on the product quality and steady running for polyester filament by hot pin spin-draw system.
讨论了热辊式FDY 涤纶民用丝生产时， 油剂对产品质量和稳定运行的影响。
3
The models of cylindrical, triangular and square pins are created to predict the effect of the pin shapes on the material flow in the steady-state welding.