...company to provide the most specialized various types barrel trough manufacture, is suitable in food. The chemical industry, the drugs manufacture, lives the technique ..... And so on. 懂嗎?
1. 5 滴水的體積＝ 5 * 0.05 = 0.25 ml ，則百分誤差分別為： 在 1ml 的量管百分誤差＝ 0.25/1 = 25% 在 5ml 的量管百分誤差＝ 0.25/5 = 5% 在 10ml 的量管百分誤差＝ 0.25/10 = 2.5%2. 0.5ml 的氣泡存在於量管的頂端所產生的百分誤差分別為： 在 10ml 的樣品所產生百分誤差＝ 0.5/10 = 5% 在 20ml 的樣品所...
...汽車燃料的 http://www.answerbag.com/q_view/16916 4.One barrel of crude oil, when refined, produces about 19 gallons of finished motor gasoline, and 10 gallons of diesel, as well as other petroleum ...
...oil cracking unit and gasoline blending unit and so onIn addition, there are two residue hydro... with an individual daily production of 30-thousand barrels of low-sulfur fuel oil with a sulfur content of less than 0...
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