V2EX undercoating

Undercoating

Definition / 定义

(尤指汽车底盘的)底部涂层;底盘防护涂层。通常喷涂在车身底部,用于防锈、防腐蚀、隔音、抗石子冲击等。(在涂装/印刷语境中也可指“底涂层”,但最常见的是汽车防锈底盘涂层。)

Examples / 例句

The mechanic recommended undercoating to prevent rust.
技师建议做底盘防护涂层来防止生锈。

After years of driving on salted winter roads, the undercoating helped protect the car’s underside from corrosion, though it still needed regular inspections.
在撒盐的冬季道路上行驶多年后,底盘防护涂层确实帮助保护了车底免受腐蚀,不过仍然需要定期检查。

Pronunciation / 发音

/ndrkot/

Etymology / 词源

由 **under-**(“在……下面、底部”)+ coating(“涂层”)构成,字面意思就是“在下面的一层涂层”。在汽车保养语境中逐渐固定为“车底/底盘防护涂层”的含义。

Related Words / 相关词

Literary Works / 文学与出版物中的用例

  • Popular Mechanics(杂志文章中常见于汽车维护与防锈主题)
  • Consumer Reports(车辆耐久性/防锈建议中可能出现)
  • Haynes Repair Manual(海恩斯维修手册,汽车底盘防护与防锈章节常用)
  • Chilton’s Auto Repair Manual(奇尔顿维修手册,防锈与车身维护内容常见)
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