微电子封装结构
elcetronic package structure
开式翻车保护结构封闭装置
open rops enclosure arrangement
原型结构构构成法
the formation of the fashion prototype
垂直表面安装封装
VRMLvertical surface mount package
VSB backplanevertical surface mount package
VSIPvertical surface mount package
蝶阀密封结构
butterfly valve’s seal structure
阀控式密封结构
value-regulated sealed structure
孔板型结构封头
perforated plate header configurations
流道密封结构
flow path sealed structure
密封结构
sealing structure
seal structure
seal up structure
sealing construction
hermetically-sealed construction
leakproof structure
leak tight structure
Gas-and-water-tight construction
sealing mechanism
seal design
seal configuration
sealing structures
airproof structure
Sealed structure
seal’s structure