1.
electropneumatic semaphore
电动气动臂板信号机
2.
luffing jib tower crane
动臂变幅塔式起重机
3.
brachiocephalic artery
ph.1. 头臂动脉
4.
COMPARISONS AND ANALYSES OF SWEEP ARM AND DIRECT ARM SMASHING;
大拉臂和直臂扣球两种挥臂动作的比较分析
5.
(zoology) having arms or armlike appendages.
（动物学）有手臂或者像手臂的副肢。
6.
Here we have a combination of double arms, single arm, so the athlete practises the right arm, and then the left arm, by the combination of two or three, and then double arms.
我们有双臂单臂的组合，所以运动员可以练习右臂，左臂，左右的组合，然后是双臂。
7.
right-left traverse of the arm
手臂左右移动 -机器人
8.
He is paralyzed and can't move his arms.
他瘫痪了，不能移动手臂。
9.
swinging arm head-positioning actuator
摆臂式磁头定位驱动器
10.
travelling portal jib crane
门式移动悬臂起重机
11.
mobile crane with articulated jib
铰接臂流动式起重机
12.
cantilever walking crane
壁装移动式悬臂起重机
13.
mobile two-arm resin sand mixing unit
移动式双臂树脂混砂器
14.
mobile crane with lattice jib
桁架臂流动式起重机
15.
engine supporting arm
发动机曲轴箱支座臂
16.
mobile crane with box section jib
箱形臂流动式起重机
17.
His arms swung as he walked.
他走路的时候摆动手臂。
18.
He swings his arms as he walks.
他走路时摆动手臂。