dimensional change

• 尺寸变化

dimensional change的用法和样例：

例句

1. There is good dimensional stability in thickness of board and good resistance of thermal stress of PTH.lon migration among PTH is little.
   板的厚度方向的尺寸变化小，金属化孔的耐热冲击性好，板的金属化孔间的耐热离子迁移性好。