carriage draw spring

英语单词... ... carriage spring 车架[轴承]弹簧 carriage draw spring (打字机用)滚轮架拉力弹簧 case spring 表壳簧; 闭锁弹簧 ...

... "托架控制器"," carriage controller" "托架拉力弹簧"," carriage draw spring" "托架导引轨"," carriage guide rail" ...