【題目】為預(yù)防自行車生銹,下列做法中不合理的是(

A.車架表面噴涂油漆

B.鋼圈表面鍍防護(hù)金屬

C.鏈條表面涂機(jī)油

D.露天放置,日曬雨淋

【答案】D

【解析】防止自行車生銹的措施是保持鐵制品表面的清潔干燥,或者在鐵制品表面涂保護(hù)層,但日曬雨淋會(huì)加劇自行車生銹的速度.

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