?球缘扁铁
... bulb holder 灯座 bulb iron 球缘扁铁 bulb iron 球缘铁 ...
?球缘铁
... bulb iron 球缘扁铁 bulb iron 球缘铁 bulb keel 加重龙骨 ...
扁球铁 ; 球扁铁 ; 球头扁钢
球头角钢
球头扁钢
Fixed into holes in a corrugated iron roof, the "bulb" is a recycled plastic bottle that contains bleached water.
CNN: Plastic bottles light up lives
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。