短語詞組短語bottom m sampler 溶泥斗;井底取樣器bottom water sampler 底水采樣器;底水取樣器bottom deposit sampler 底部沉淀取樣器hole bottom freezing sampler 孔底冷凍取樣器marine bottom proton sampler 海洋質(zhì)子采樣器bottom hole sampler 井底取樣器automatic bottom water sampler 自動底層采水器near -bottom water sampler 近底層水樣采樣器bottom -plankton sampler 海底浮游生物采樣器 返回 bottom sampler