collimating pipe

• 准直管

collimating pipe的用法和样例：

例句

1. The ratcheting strains were measured by strain gauges, and the radial deformation of the pipe was measured by self-designed radial displacement extensometers.
   棘轮应变由应变计检测，直管径向变形由自行设计的径向位移引伸计检测。