浮油抽取样器, 浮油层取样器 float oil layer sampler: 浮油层采样器; 浮油层取样器oil sampler: 油脂取样器oil float: 油浮dust laying oil: 防尘油; 灭尘油; 轻质铺路用油dust-laying oil: 吸尘油下载手机词典可随时随地查词查翻译