n.伸缩梯；拉梯

extension ladders───n.伸缩梯；拉梯

extension cable───伸长电缆；延伸缆线

extension cables───伸长电缆；延伸缆线

extension lead───伸长引线

extension leads───伸长引线

extension cord───延长线；分机线绳

extension cords───延长线；分机线绳

The invention provides a self-locking extension working platform of a lifting working ladder, wherein the extension working platform has self-locking function.───本发明提供了一种升降工作梯的延伸工作平台，其延伸工作平台具有自锁功能。

Ladder feet are in good condition, e. g. rubber tips on metal rolling ladders. "Safe-Hi" feet on extension ladders.───梯子脚底是否有很好的止滑垫片。如金属梯子脚底的橡胶，延伸梯的防滑垫片。

concept of ladder plane partition is introduced which may be regarded as a natural extension of the shifted one.───作为移位平面分拆的自然拓广，本文引入了梯形平面分拆的概念。

an extension ladder; an extension cord.───伸缩梯；延长线

He and his crew dragged a 35-foot extension ladder from one of their trucks to the creek bank and maneuvered it as close to the SUV as they could get-about ten feet above McRae.

Though my extension ladder hardly compared to the water tower, scaling it one-handed while lugging the chain hoist or a 2 x 4 made my knees wobbly.