Degree of creaming
[化] 膏化度
?? 詞語組成解析
degree
[d?'ɡri]
n. [樂]音階，度;[數]度，度數;程度;學位;
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
[化] 乳狀液分層
??? 情景例句
Uh-uh.
嗯。
Thank you very much.
非常感謝。
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我們必須把很長的鉆桿一節節地鉆入地下，然后再從地下拉出來。鉆桿頂部安裝的發動機帶動鉆桿旋轉，它的底部裝有鉆頭。