1.
Comparative analysis of drilling characteristics of dia- mond bits and roller bits
金刚石钻头与牙轮钻头钻井特点对比分析
2.
drill ,electric, hand-held (incl. rock drills)
电动钻具,手持式（包括岩石钻具）
3.
mixed oil drilling rig
复合式石油钻井钻机
4.
This drill can bore through rock.
这台钻机能钻透岩石.
5.
An oil platform.
钻井平台石油钻井平台
6.
A needle-shaped drill for boring holes in rock or masonry.
钻头，钻石器，钻孔器用于在岩石或砖石上钻孔的针形钻
7.
If you compare a ruby and a diamond, the latter is more valuable.
红宝石和钻石比起来，钻石更值钱。
8.
To adorn with or as if with diamonds.
用钻石装饰用钻石装饰或好象用钻石装饰
9.
This diamond weighs 270 carats.
这钻石重270 克拉。
10.
a diamond ring, necklace, etc
钻石戒指、 项链等.
11.
dazzling sunlight [diamonds]
耀眼的阳光 [钻石]
12.
the diamond -- everlasting value
钻石——价值永恒。
13.
The value of diamond is above ruby.
钻石的价值比红宝石高。
14.
two diamonds and an emerald
两枚钻石和一枚绿宝石
15.
a gem (usually a diamond) in a setting by itself.
单件的宝石（通常是钻石）。
16.
diamond [golden; ruby; silver; tin; wooden] wedding
钻石[金; 红宝石; 银; 锡; 木]婚
17.
"That's not a diamond! If that's a diamond, I'm a Dutchman."
那不是钻石！如果那是钻石我就不是人。
18.
precious gems/stones,ie diamonds,rubies, emeralds,etc
宝石（钻石、红宝石、绿宝石等）.