伸缩缝：为适应地基变形，管身伸缩及施工要求，防止管身在温度变化时产生横向裂缝。
Expansion joint: to meet the deformation of foundation, expansion and construction requirements play, prevent play a change in temperature in transverse crack produces.
讨论了部分元素在YY2和YY3型横向加热平台石墨管中的原子化行为，考察了元素的灵敏度、精密度、准确度。
The atomization behavior of eight typical elements in YY2 and YY3 transverse heated Platform graphite tube was discussed. We tested sensitivity, precision and accuracy with elements.
这种结构还可以构成横向光晶体管，共发射极电流增益为2 ~ 4倍。
Such MSM structure can also be formed into a transverse phototransistor with its common-emitter current gain from 2 to '4.
应用推荐