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...
S - type granites should not be considered as the evidence of plume magmatism.不能把S - 型花岗岩作为地幔柱岩浆作用的证据.Danba area has undergone multiperiod deformation, metamorphism and magmatism since Mesozoic time.丹巴地区自中生代以来经历了多期的变形 、 ...
It is easy to appreciate the craftsmanship of Armani.阿玛尼的精致工艺很容易博得人们的赞誉。His canoes are known for their style, fine detail and craftsmanship.他的独木舟以其风格独特、注重细节和做工精细著称。The whole house is a monument to her craftsmanship.那整座房子...