英漢例句雙語例句Advantages sof direct sampling are that areas hardest to clean and which are reasonably accessible can be evaluated, leading to establishing a level of contamination or residue per given surface area.直接取樣的好處是可以評估難以清洗和相當(dāng)容易接近的區(qū)域，使得可確定每個(gè)給出的表面區(qū)域的污染物或殘留物的級別。accessible surface area更多例句詞組短語短語oxygen accessible specific surface area 氧氣可達(dá)比表面積accessible surface area asa 可及表面積residue accessible surface area 殘基溶劑可及表面積complex accessible surface area 復(fù)合物可及表面積extended state accessible surface area 延展態(tài)可及表面積accessible surface area更多詞組