preliminary vacuum 中文意思是什麼
preliminary vacuum
解釋
初期減壓- preliminary : adj 1 預備的；初步的，初級的。2 序言性的，緒言的。n 1 〈常 pl 〉初步，開端；預備行為[步驟、措施]...
- vacuum : n （pl vacuums vac ua ）1 真空；空處，空虛，空白。2 〈美口〉吸塵器（＝ vacuum cleaner）。vi vt 〈...
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A series of preliminary tests were therefore conducted to determine an appropriate mode of treatment. removal of loose surface dirt followed. the print was then humidified before it was " washed " with deionized water, under mild vacuum, on a suction table to remove the water soluble acidic substances trapped between the paper fibres
接著是把版畫表面松脫的污垢清除，然後把受潮后的版畫放于真空吸力臺上，利用清水及溫和的吸力把藏於紙本纖維內的酸性水溶物質清洗出來（見圖二） 。
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