Taking as example for PBGA and CBGA, two different package structures of BGA and the attentions during generalstencil design and ass.
以常用的PBGA和CBGA为例,分析了两种不同封装形式BGA通用网板的设计和组装过程中应注意的问题。
Device for Cleaning Pneumatic Feeder's Screen in PASSIM Cigarette Making and Tipping Machine Combination;
PASSIM卷接机组供丝落料器网板清理装置设计
The vibrating screen machine adopts single layer screen or double layer screen to sieve lamina , tobacco stem ,cut stem and so on.
振动筛分机采用单层或双层网板对叶片、烟梗、梗丝等烟草物料进行筛分。
Tension Behavior Analysis for Gusset Plates in Single-member Welded Connections;
单插板连接的节点板在拉力作用下的性能分析
Research on the Bending Rigidity and Gusset Plates Stability of Tube-gusset K-joints
平面K型管板节点抗弯刚度及节点板稳定承载力研究
Mark in C around to D.
样板从C点旋转D点
Remove the block. Connect C and B to the bust point. True the dart as before.
移开样板。把C点和B点与胸点连接。
Default template:~~Tap the template to use for new notes.
默认模板:~~点击新便笺要使用的模板。
Look out the boss is on the war-path again!
当心点--老板又发火了!
There are many spots on the ceiling.
天花板上有许多斑点。
ignitability of primary deck covering
基层甲板敷料的点燃性
A printed circuit connector contact.
印刷电路板连接器触点。
two point suspension scaffold
两点悬挂架空脚手板
a dancing-party will be held on the sun-deck.
舞会地点在日光甲板。
Our boss is a bit of a dictator.
我们的老板有点霸道.
There's a warp in the board.
这块木板有点翘曲不平。
An etching made by this process.
细点腐蚀制板法的过程
The upper, main, middle, and lower deck of a ship is somewhat like the story of a house
船的上甲板,主甲板,中甲板和下甲板有点像房子的楼层
The upper, main, middle, and lower deck of a ship are somewhat like the stories of a house.
船的上甲板，主甲板，中甲板和下甲板有点像房子的楼层。
Remove the block pattern. Connect point A to the bust point with the required curve.
移动样板。用弧线把A点与胸点相连接。
a floor cleaner,ie a substance that removes grease,stains,etc from floors
地板除垢剂（从地板上清除油渍、污点之物）.