1.
transverse submerged arc welding
横列双丝并联埋弧焊
2.
series submerged arc welding (SAW-S)
横列双丝串联埋弧焊
3.
double mercerized finish
全丝光;双丝光（指纱线与织物均进行丝光）
4.
Study on Property of Welded Joint by Le-wire Double and Sing-wire Automatic Submerged Arc Welding
双丝和单丝自动埋弧焊接头性能研究
5.
Distortion and properties of 7A52 aluminum alloy welded joint by single and twin wire MIG welding
单丝、双丝MIG对7A52铝合金焊缝性能和变形的影响
6.
Fitted with or involving the use of two threads or wires.
适合或使用双丝线或电线的
7.
double pile velvetee
双层丝绒,双层立绒,双层天鹅绒
8.
A smile played on [about] her lips.
她双唇露出一丝微笑。
9.
A smile played on/about her lips.
她双唇露出一丝微笑.
10.
rayon {soochow} brocade square cushion cover in two colours
双色人丝古香方靠垫
11.
bishrinkage yarn
双收缩变形丝《化纤》
12.
conducting-core heterofilament
导电芯型双组分长丝
13.
double-pass wired glass machine
双加料夹丝玻璃成形机
14.
double-column screw type supercharge device
双柱丝杆式加压装置
15.
ladies' reversible silk wadding padded jacket
女装双面穿丝棉棉衣
16.
timed annular balance with brequet hairspring
定长游丝光摆轮带双层框游丝
17.
And silk stockings, a dozen pairs and not a one had cotton tops!
长统丝袜有十几双，没有一双是棉统的。
18.
Alice folded her hands, and began:--
爱丽丝把双手交叉放好，开始背了：