backup plate是什么意思

网络释义

用法例句

Optimization Design of Technological Process for the Front Cover of Camera and Mould Design;

照相机前盖板工艺方案优化及模具设计

Camera Front Shell Mold Design and Analysis Based on Pro/Engineer

基于Pro/E的照相机前盖的模具设计及模流分析

according the regulations the corrugated iron sheets lap 10 centimeters over each other.

按照规范瓦楞板需相互迭盖十公分。

Cameras have lenses at the front.

照相机的前面装有镜头。

You must focus your camera before you try to take a picture .

拍照以前你必须调节照相机的焦距。

justifying machine for use in photolithography or offset printing

齐行机,照相平板版印刷或胶版印刷用

a circular grid in a phototypesetting machine.

照相排版机的圆盘字模板.

When we take a real photo with a camera,

当我们要从照相机里取出一张真正的照片之前，

a mechanism for advancing film in a camera or projector.

提前照相机或放映机里的胶片的机械装置。

handle type sewing machine with cover and base

带盖及台板手动缝纫机

camera case, of leather, vulcanized fibre, sheeting of plastics, paperboard or textile materials

照相机盒,皮革、硬化纸板、塑料薄膜、纸板或纺织品制

Never forget to put on the lens hood after you use the camera.

每次照相机用完以后，千万不要忘记把遮光罩盖上。

camera drive pane

照相记录仪驱动面板

plane-table photogrammetry

平板照相摄影测量学

xeroradiography of breast

乳房干板X线照相术

Remove wind deflector, mechanism covers and glass panel.

拆卸挡风板、机械盖和玻璃板。

Research on Applying Digital Cameras in Tunnel Lighting

数码相机在公路隧道照明测量中的应用前景

Response characteristic study of CCD camera in headlamp regulator calibration system

前照灯校准器检定装置中CCD相机响应特性探讨