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1. ### 科學問題求最快的幫助

... the amount of fuel gas flow through the tube by opening the needle valve will increase the size of the flame. 可能有錯誤

2. ### bunsen burner既問題,快我要test喇,20點!

... on the side of the bunsen burner -- not to be confused with the needle valve for gas flow adjustment). 1. air baffle closed (Safety flame) 2. air baffle...

分類：科學及數學 > 化學 2011年10月30日

3. ### 中一科學問題>.<10點

... (holes on the side of the bunsen burner -- not to beconfused with the needle valve for gas flow adjustment). 1. air baffleclosed (Safety flame) 2. air baffle half open...

分類：科學及數學 > 化學 2010年07月26日

4. ### 分體式冷氣機吸風位結冰點攪???

...風扇( Fan ) 及配件如下 膨漲閥( Expansion valve )或毛細管( Needle valve ) 喉管 雪種/冷媒 冷凍機的運作 熱交換,循環系統 壓縮泵將雪種加壓形成氣體...

5. ### 雪櫃唔夠凍

...風扇( Fan ) 及配件如下 膨漲閥( Expansion valve )或毛細管( Needle valve ) 喉管 雪種/冷媒 冷凍機的運作 熱交換,循環系統 壓縮泵將雪種加壓形成...

6. ### 有關Bunsen Burner (超緊急) (40分)

...200px-Bunsen_burner.jpg A bunsen burner with needle valve ; the hose barb for the gas tube is facing...of fuel gas flow through the tube by opening the needle valve will of course increase the size of the flame. However...

分類：科學及數學 > 化學 2007年12月20日

7. ### help me! Please.THX

... the amount of fuel gas flow through the tube by opening the needle valve will of course increase the size of the flame. However, unless the airflow ...

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1. ### 相關詞

 針閥 needle valve ball valve needle valve 原理 針閥 needle valve 構造 smc needle valve 規格