lead-free gasoline 中文意思是什麼
lead-free gasoline
解釋
無鉛汽油-
Lead - free gasoline
無鉛汽油 -
In addition, the lead free gasoline is being used in the engine, so vavle seat insert ( vsi ) must be made by scpecial materials
燃料改用無鉛汽油以後,閥座部分必須用特種材料製造的鑲圈來補強,這種鑲圈就是通常所謂的閥座圈。
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