请问reflow soldering, dip soldering, wave soldering分别是什么意思?有什么区别吗?

请问reflow soldering, dip soldering, wave soldering分别是什么意思?有什么区别吗? pre reflow和post reflow是什么意思 Soldering/Welding是什么意思 soldering resistance是什么意思 Burned Soldering (porosity) or Easyly Braking Solderings Black and Burned Soldering (porosity) or Easyly Braking Solderings 质量体系英语翻译提问what are these words meaning use in quality system ?reflowhand inert 英语翻译Wave soldering is a large-scale soldering process by which electronic components are soldered to a printed circuit board (PCB) to form an electronic assembly. 问 welding,brazing and soldering 这三个词解释为焊接 有什么区别? 英语翻译Voids in the encapsulant are a potential problem,these can originate during dispense,die placement,or reflow,but can be eliminated through proper materials selection,board preparation dispense parameters and reflow condition. Auto-soldering machine使用说明谁有这机器的使用说明书?最好中文,这台机器是韩国购买的,说明书遗失, 英语翻译帮忙翻译下Mechanism and Preventive Measures for Die Soldering during Al Casting in a Ferrous Mold 英语翻译contents1:handling precautions 2:Soldering 3Washing after reflow4:circuit driving method 5:heat generation 6:Packing specifications7:Storage conditions lead to在这里的意思ruin your whole day.Simply handling the components and circuit board can lead to static,as canthe soldering pencil itself大概意思是和经典有关,是避免静电还是产生静电呢? 英文招聘广告中的小问题8先看全文ELECTRONIC WIREMEN---Permanent,full-time positions.---2-3 years experience---Day shiftWiring and soldering of chassis and P.C.Boards.Excellent company benefits.Salary commensurate with experience.Phone 54 英语翻译Soldering and BrazingSoldering and brazing processes are similar in principle in that the filler material melts at a comparatively low temperature and this liquid filler is drawn by capillary action into the small gap between the parts be 一、 填空题（每空2分,共52分）1、QRQC的中文意思是 ,.2、SMT使用的Reflow是 机器.3、回流焊分 个区,分别是 、 、 、 .4、场效应管一般也是三个引脚：极、 极、 极.5、数字信号由两种状态,分别 请问? 请问,