closed coil winding [电] 闭圈绕组

closed coil armature 闭圈电枢 ; 闭路电枢

closed coil armature winding 闭圈式电枢绕组

closed coil 闭合线圈 ; 通路线圈

Normal Closed Coil 常闭线圈

closed-coil reflux 封闭盘管回流

closed coil spring 关闭式螺旋弹簧 ; 密圈弹簧 ; 闭圈弹簧

closed-coil spring 密圈弹簧

closed-coil armature 闭圈电枢

NiTi closed coil spring 镍钛拉簧