oil dag黑铅油
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
oil- drop experiment油滴实验
oil source correlation油源对比
oil-expansion vessel贮油柜,扩油器
oilless air compressor无油空气在缩机
oil washed air cleaner油浴空气过滤器
oil and gas separation油气分离
oil- absorbing resin吸油树脂
oil bath air breathing油浴式滤清器通气管
oil-resisting sheath抗油外壳
oil-filled capacitor油浸电容器