印刷后要在2小时内回流焊膏.Reflow solder paste in 2 hours as soon as possible after printing.SMT生产工艺决定了电子产品的可靠性, 焊膏印刷质量的好坏是其关键因素之一.Solder - paste printing plays an important in SMT production, and affects the quality of assemblies.焊膏...
...the deep ruts left by the trucks' heavy wheels.卡车沉重的轮子留下的很深的车辙The farm carts have worn ruts in the lane.农用大车在乡间小路上磨出了车辙.Our driver slowed up as we approached the ruts in the road.当驶近路上的车辙时，我们的司机放慢了速度。Commissary w...
Theand dreariness of the prospect before us reconciles us to the stillness of the grave.眼见得景物寥落,一片萧条.我们才勉强接受了墓地中的寂静.The park wore an aspect of utter dreariness and ruin.园地上好久没人收拾,一片荒凉.This dreariness is the beginning and...