单词	pfd.
释义	pfd. abbr. preferred
随便看	cylinder block surface broaching machines cylinder block vacuum pump pad cover cylinder blow-by cylinder board cylinder body cylinder body,block cylinder body bushing boring-machine cylinder bolck cylinder bolt cylinder bolting flange cylinder-bore cylinder bore cylinder bore diameter cylinder bore gauge cylinder borer cylinder boring and honing machine cylinder boring bar cylinder-boring machine cylinder boring machine cylinder bottom cylinder bottom gasket cylinder bottom head cylinder bottom steam pipe cylinder boundary cylinder bracket 易口以食易同反掌易地而处易如反掌易如拾芥易如破竹易如翻掌易子析骸易子而教易子而食蠟細工蠟纈蠢かす蠢く蠢カス蠢ク蠢動蠣蠧毒蠱惑