film advancing whell是什么意思

用法例句

A film down rushing law in intermittent film transport is studied theoryetically and experiment ally.

本文从理论和实验两方面研究间歇输片中胶片的下冲规律。

This thesis describes film transmit machinery and flow of work of capstan imagesetter.

本文主要研究了绞盘式激光照排机的输片机构及其工作方式,并在此基础上设计了相应的控制流程。