久久国产欧美日韩精品,日韩国产精品久久久久久亚洲,99视频精品全部免费免费,91精品国产综合久久走光

Since 1960, many horizontal immersion extractors have been introduced.自1960年以來, 采用了許多水平浸提裝置.These include the canvas extractors developed by the Institute of Forest Genetics at Placerville California.其中包括加利福尼亞的潑拉崖維爾森林遺傳研...

extractors的音標(biāo)：extractors的英式發(fā)音音標(biāo)為：[?kst'r?kt?z]extractors的美式發(fā)音音標(biāo)為：[?kst'r?kt?z]...

n.抽油煙機( extractor的名詞復(fù)數(shù) )...