double angle bar：雙角材

634 雙動泵 double acting pump | 635 雙角材 double angle bar | 636 雙座艇 double banked boat

double angle bar：雙角搖桿雙角鋼

double angle 雙角鐵 | double angle bar 雙角搖桿雙角鋼 | double angle fomula 倍角公式

double annual ring：復年輪

double acting door 雙搖門 | double annual ring 復年輪 | double-cutting bands 雙刃帶鋸

double astrograph：雙筒天體攝影儀

double armoured cable 雙層鎧裝電纜 | double astrograph 雙筒天體攝影儀 | double Atlas 雙梳櫛經緞織物

at the double：跑步 很快地; 毫不遲延地

at the double 跑步 很快地; 毫不遲延地 | on the double 跑步 很快地; 毫不遲延地 | come the double [俚](對某人)背信棄義; 耍滑頭

Warm wishes at The Double Ninth Festival：在感恩節(jié),衷心地祝福你們

The Double Ninth Festival wishes for you and your family.給你們全... | Warm wishes at The Double Ninth Festival .在感恩節(jié),衷心地祝福你們. | I wish you could be here on The Double Ninth Festival .但愿你...

double atari：雙打吃

雙打 double atari | 雙打吃 double atari | 雙倒撲 double snapback

double atari：雙打

雙吃 double atari | 雙打 double atari | 雙打吃 double atari

double back substitution：雙重回代

倍角公式 double angle formula | 雙重回代 double back substitution | 雙鏈條件 double chain condition

double-handed backhand：雙手反手擊球

double bounces 球彈地兩次 | double-handed backhand 雙手反手擊球 | double hit 在一次揮拍中球碰撞球拍兩次