Chapter 5 describes materials for experiment and experimental procedures, which focuses on comparing the different effects of two etchant.

第5章介紹了試驗材料和試驗方法，對兩種侵蝕劑的效果進行了比較啊啊啊疼视频黄色视频。

Device type: structure of the device is also an Etchant characteristics of one of the factors.

擺撤的典范榜樣：擺撤的布局步地也是不不對蝕刻液共性的感化次給身分之一久久思热99re热。

Rinse with copious amounts of water to remove etchant and air dry.

用大量的水充分地沖洗酸蝕液性无码视频不卡网站，并且用空氣槍干燥。

Get a plastic tray whose bottom has about 4 to 8 times the surface area of the board, and put about 1/4 of etchant in the bottom.

獲得一個塑料托盤国产又黄又湿又爽的视频，其底部有大約4至8倍玖玖色免费视频，比表面積的董事會，并把約1 / 4蝕刻在底部天天摸夜夜摸爽爽狠狠婷婷97。

If you don't have a microwave, put the whole bottle of etchant in a sink full of hot water for half an hour first.

如果您還沒有微波欧美性爱网手机版，把整個一瓶蝕刻在一個水槽充滿熱水為一個半小時第一。

Of course the etching characteristics Etchant should be voltagecomposition, physical, chemical and mechanical issues.

當然蝕刻液的蝕刻共性給受到諸多身分的感化韩国三级片手机免费观看，有物理亚洲天堂黄色网站在线观看、化學及不活滯方背的。

The speed of etching may be accelerated by agitating the chemical etchant, for example using sonic agitation.

在蝕刻速度可能加速攪拌化學腐蝕劑日韩国九九精品，例如使用聲波攪拌天天恨天天插。

The thickness of the ink jet printed etch-resist can be varied widely according to the specific requirements of the metal or alloy and etchant used.

在噴墨印刷蝕刻厚度，抵御可以根據(jù)不同的廣泛的金屬或合金和使用蝕刻劑的具體要求在线看A片的网站有吗。

Care must be taken to avoid having the etchant contact glazed porcelain surfaces since these surfaces will lose their gloss.

必須注意的是酸蝕過的表面不能用手觸碰台湾色老福利网址，否則，烤瓷牙會失去其光滑的表面亚洲欧美高清在线精品四区。

At the same time copper elongation, crystallization structure would amount to an Etchant characteristics of direct impact.

同時銅的延伸率欧美色色色色色图、暗地結(jié)晶布局等，城市構(gòu)不敗不不對蝕刻液共性的間接感化黄色网站一级二级区。