Drilling of tubesheet
[化] 管板钻孔
🧩 词语组成解析
drilling
[['dirliŋ]]
n. 演练\\n[医] 钻
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
[化] 管板
🗣️ 情景例句
Smoking is harmful to your health.
吸烟有害健康。
Who assumes shipment cost?
谁负担运费呢？
Oh, yes, I bought one, but I can't find it now.
噢，是，我买了票的，但现在找不见了！