electric typewriter

carriage draw spring (打字机用) 滚轮架拉力弹簧

absent (ABS) (电传用语) 停止办公

final slip (电机) 最终转差率

harmonic test (电机) 谐波试验

pretensioned binding (电机) 预张绑线

lower bar (电机) 下层线棒

side feet(指电机的) 两侧底脚

torsional critical speed (电机的) 扭转临界速度

friction and windage loss (电机的) 摩擦和通风损失

set in use (电视机) 开机率