英 [ˌtɒp ˈhəʊl] 美 [ˌtɑːp ˈhoʊl]
adj. 最上等的;第一流的
top-hole //
excellent; splendid 卓越的; 极好的
excellent; best possible
同义词: top-flight / topping
上部井眼-引用次数:3
Industrial Application of Dual-Gradient Drilling System for South China SeaThe paper suggests dual gradient top hole drilling (DGTHD) technology for the South China Sea based on casing drilling, which can shorten well construction time, and controlled shallow hazards.
该系统具有套管钻井和双梯度上部井眼钻井的优点,可以减少作业时间,有效控制深水浅层灾害。
顶孔
顶部井眼
出钢口
... top-class 最高级 topping 糕点上的装饰配料... top-hole 最上等的 ...
I make a top-hole nurse.
噢,没问题,我能做个顶呱呱的护士。
As he emerged at the top he looked the very spirit of evil breaking from its hole.
当他爬上山顶时,他看到邪恶的精灵正从洞里钻出来。
She scrabbles at them but, as she scrapes, the sides cave in on top of her hands. The hole remains shallow.
她试着将它们刮到一起,但当她刮的时候,两侧的石子就会塌落在她的手上,洞还是很浅。
Caterpillar said that inventory checks last November revealed a gaping hole in the accounts, spurring a top-to-bottom reevaluation.
FORBES: Caterpillar Settles With Principals Of Troubled Chinese Acquisition
The piece is topped with a heart-shaped hole of the gold nib and the finely engraved Princesse Grace de Monaco monogram on the cap-top.