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來源: wcat 於 2009-04-23 13:43:50 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (263 bytes)

These lights are mandatory factory equipment on big rigs, one ton and above. The two outside lights are known as clearance lights, the three inner ones as marker lights. Combined, they give oncoming traffic a visual fix on the vehicle, offering additional safety.

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• Good. Thanks you! -biglow- ♂ 給 biglow 發送悄悄話 biglow 的博客首頁 (0 bytes) () 04/23/2009 postreply 14:22:11

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