可焊的

In the article experiment prove:combination with feine tin-solder-bumps and underbump-metalliza with cobalt be able to longthen life of leadless flip-chip -solderng.

文章通过试验证明：纯锡焊料凸块和含钴底部凸块金属焊层结合可延长无铅焊接倒装片的寿命。

This paper designs a stenciler, with the precision of linear displacement 0.1mm , maximum back-and-forth rate Vmax=1.5m/min and maximum distance 400cm ,which can be applied to various PCB solder printings.

本文设计一台模板印刷机，线性位移定位精度0.1mm，最大进退速度Vmax=1.5m/min，最大行程400cm，可广泛应用于各种PCB焊膏印刷的场合。

Moreover, the effects of welding parameters and volume fraction of Al_2O_3 fibre on weldability of MMCs are researched.

研究结果表明：采用微型电容储能焊机可实现Al_2O_3纤维增强铝基复合材料的点焊连接。

Peelable solder mask may indeed be used to provide temporary tenting of such designated vias, but this can often prove quite costly.

可撕阻焊剂可能会临时用来覆盖指派的过孔，但是价钱会非常昂贵。

Powder flame spray or spray fusing gun can be used with inert gas to feed powder with best coating effects,and can also be used for spary of ceramic powder.

粉末火焰喷涂喷焊设备。用惰性气体送粉，能得到更佳涂层品质，也可喷涂氧化物涂层。你知道它的英文吗？· n。金属线，电线；电报，电信 v。发电报给

Mini-hole heat dissipation flame-out device ensures flame out. In tempering process gas check valve instantly cuts off gas supply i

产品名称：焊割炬用气体回火防止器，微孔散热型火焰熄灭装置确保火焰熄灭气体单向阀在回火过程自动将气体源瞬间切断具有自动复位功能可直接连接作业连接在割炬的进气口上使用。

Crystal Series will be using high quality raw materials, excellent product quality, brightness, and can be welding and electroplating, the current product level has: A-class, B Diamond, ss3-38 models from its color has×, Deep Purple, black, light blue, dark blue, light green, olive green, light pink, dark pink, red, dark red, crystal yellow, light amber, transparent black, lake blue and so on.

水钻系列一律采用优质的原材料，产品质量优，亮度好，可烧焊与电镀，目前产品级别有：A级、B钻，型号从ss3-38号，颜色有浅紫、深紫、黑色、浅兰、深兰、浅绿、橄榄绿、浅粉、深粉、大红、深红、水晶黄、浅琥珀、透明黑、湖水兰等。

32Mm-920mm available in high-pressure alloy seamless elbow, 325mm-2420mm plate butt welding system 1200mm below the elbow and flange products.

可提供Φ32mm-Φ920mm中高压合金无缝弯头、Φ325mm-Φ2420mm钢板制对焊弯头及Φ1200mm以下的法兰产品。

Based on these, pulse flash butt welding function was carried out with the use of the method of joining proportional control and ON-OFF control and current feedback. Welding prcess was automatically controled by Programmable Logical Computer.

在此基础上，以焊接电流作为反馈参数，采用比例控制与ON-OFF控制相结合的方式实现了钢轨脉冲闪光焊功能；采用可编程控制器控制焊接过程，实现焊接过程自动化。

Stub-ends,produced by welding pipe and face rings together per MSS dimensions,may be ordered for use with lap joint flanges as well.

Stub末端，生产的焊管，面对环连同每卫星方面，可下令使用法兰圈以及联合。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。