left armrest：左側(cè)扶手

多功能頭枕 multifunction headrest | 左側(cè)扶手 left armrest | 帶氣鎖平衡臂 balance arm with air lock

equal authenticity：同等效力

equal arm bridge 等臂電橋 | equal authenticity 同等效力 | equal balance 均衡;地殼均衡說

arm; balance：天平臂

"armature winding machine","電樞繞線機(jī)" | "arm; balance","天平臂" | "arm board","起紋板"

arm board：起紋板

"arm; balance","天平臂" | "arm board","起紋板" | "arm brace","上臂支柱"

counter balance valve：反平衡閥

counter arm 計(jì)數(shù)器指計(jì) | counter balance valve 反平衡閥 | counter balancing valve 平衡閥

banking file：齊頭三角銼

balance arm file 小三角銼 | banking file 齊頭三角銼 | barrette file 扁三角銼

torque arm：轉(zhuǎn)矩臂;扭力臂

torque amplifier 扭力放大器 | torque arm 轉(zhuǎn)矩臂;扭力臂 | torque balance accelerometer 扭矩平衡式加速度計(jì)

balance long arm：直臂倒立

balance exercise 平衡運(yùn)動(dòng) | balance long arm 直臂倒立 | balance short arm 屈臂倒立