scientific and educational film的意思|示意

美 / / 英 / /

科教片

scientific and educational film的网络常见释义

科教片 ... National Educational Television Film Service 全国教育电视片服务部 scientific and educational film 科教片 informative film or educational film 教育片 ...

scientific and educational film相关短语

1、 scientific and educational film association 科教电影协会

scientific and educational film相关例句

This script of scientific and educational film (it has been filmed) describes briefly the commonly adopted manipulating techniques of one side welding by shelded metal arc.

本文用科教电影脚本（已拍摄成影片）形式，简明扼要地介绍了手工电弧焊单面焊接双面成形的几种常用手法；