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...
During the third month of pregnancy the sex of the child becomes determinable.孩子的性别在妊娠期第三个月便可查明。The determinable error in plate counting method is larger.平板计数法费时且误差较大.Then, Several typical ATC calculating methods on the ...
The worldwide production processes of epoxy chloropropane from glycerol are introduced.介绍了国内外甘油法环氧氯丙烷生产技术.The two processes are interlinked.这两个过程是相互连接的。Are processes suitable to prevent design changes without appropriate...
The result later in life may be feelings of emptiness and depression.之后对生活产生的影响可能会是空虚感和沮丧感。I drove for a while across this fearsome emptiness.我开车开了好一阵穿过这片可怕的空旷之地。The sense of space and emptiness is overwhelming.巨大的空虚感汹涌袭...