Blocking-out: The operation of eliminating undesirable backgrounds and portions of negatives by opaquing or masking the image.

退地：把底片上不需要的地方或背景用遮光液或用遮片掩蓋的操作国产92AV视频。

A stability of hue had been gradually concentrated within a certain range accompanying with the increase of opaquing ceramic thickness.

使用TC—PHG型全自動(dòng)測(cè)色色差計(jì)測(cè)定樣品片的x、Y911亚洲经典、△L^＊值欧美日韩精品一区二区三区，研究不同品牌不透明層厚度與色度的關(guān)系。

The paint used in opaquing.

2遮蓋用的漆料久久精品视频一区二区。

This paper is based upon XiShan Colliery Parent Company .The data of DongQu Mine pit ventilation resistance mensuration is combined. And system theory, graph theory, ventilation network technology and computer technology are utilized. According to the reality of coalmine, we think that graph and database is incorporate in mine ventilation system. So based on this, ventilation system standard graph is founded, the tool of ventilation graph to draw is made, the ventilation network calculation is realized, the outcome of the ventilation network calculation is seen on the screen, and opaquing and inquiring of the road parameters and so on. In addition to mine ventilation drawing-database visual management system is developed.

本文基于西山煤礦總公司東曲礦〖東曲礦礦井通風(fēng)網(wǎng)絡(luò)計(jì)算機(jī)管理系統(tǒng)〗科研項(xiàng)目亚洲年轻娇小性，結(jié)合東曲礦礦井通風(fēng)阻力測(cè)定，運(yùn)用系統(tǒng)理論日韩制服无码人妻师生、圖論日韩中文福利片观看网站、通風(fēng)網(wǎng)絡(luò)技術(shù)及計(jì)算機(jī)技術(shù)，針對(duì)煤礦實(shí)際手机欧美性交黄色视频看片，將礦井通風(fēng)系統(tǒng)中圖形和數(shù)據(jù)庫(kù)貫穿為一體4455在线看片，創(chuàng)建了通風(fēng)系統(tǒng)標(biāo)準(zhǔn)圖庫(kù)并編制了通風(fēng)圖形繪制工具，實(shí)現(xiàn)了風(fēng)網(wǎng)解算和解算結(jié)果圖形顯示及巷道參數(shù)的修改日韩性网站、查詢等功能免费观看黄a一级视频孕妇，開(kāi)發(fā)了礦井通風(fēng)圖形數(shù)據(jù)可視化管理系統(tǒng)。

opaquing：涂修

不透明礦物 opaque mineral | 涂修 opaquing | 蘇云花岡閃長(zhǎng)巖 opdalite