The next question is why the glass casing surrounding an electric light might be compared to an onion.
下一个问题就是，为什么人们会将电光外的玻璃罩类比成洋葱？
Silicone rubber tube glass fiber casing, is woven E-glass fiber tube, coated with high temperature silicone rubber is made.
硅橡胶管玻璃纤维套管，是由无碱玻璃纤维编织成管后，涂以硅橡胶高温处理而成。
Use normal glass cleaner or a soft cloth to wipe down the unit casing.
使用适合的玻璃清洁剂和软布抹洗。
Fan casing, water tank and water basin are made of glass reinforced plastic which integrates anticorrosion, lowest aging, lowest fading, smooth and bright appearance and long service life.
风机外壳、水箱、水盘等部件采用玻璃钢，具有耐腐蚀、不易老化、不易褪色、外观光洁明亮、使用寿命长等优点。
Fan casing, water tank and water basin are made of glass reinforced plastic which integrates anticorrosion, lowest aging, lowest fading, smooth and bright appearance and long service life.
风机外壳、水箱、水盘等部件采用玻璃钢，具有耐腐蚀、不易老化、不易褪色、外观光洁明亮、使用寿命长等优点。
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