移动轨条的英文：
movable rail

movable是什么意思：
n. 家具,动产
a. 可动的,动产的,不定的

movable vice jaw
活动钳口

This limitation was overcome with the invention of movable type.
随着活字的发明，这一障碍得取了克服。

A medieval light helmet with a neck guard and movable visor.
头盔中世纪有护颈和活动护面的轻便头盔

Movable set of steps (for entering and leaving an aircraft)
(上下飞机用的)移动式舷梯.

There is only a movable parts of hemisphere type, the action have no breakdowv, depevdable fuvction.
●只有一个半球式的球桶活动部件，动作无故障、靠性高。

rail是什么意思：
n. 铁轨；横杆，扶手；抱怨，痛斥

To supply or enclose with rails or a rail.
用栏杆围提供栏杆或把栏杆围起来

The coal will be shipped by rail.
这些煤将用火车装运。

Trains run on rails.
火车在轨道上行驶。

Hold on to the rail or you'll slip!
抓住扶手，不然你会滑倒的。

Rust has corroded the steel rails.
锈侵蚀了钢轨。