There are two types of wheels, spiral and circular, in a stair climber to drive on the ground or stairs.
阐明了螺线轮登梯机构的工作原理和螺线登梯轮的设计计算方法 ,分析了螺线轮对楼梯尺寸的适应性 ,并在一设计实例中根据楼梯尺寸确定了螺线轮参数 ,给出了螺线轮登梯车的重要工作参数的确定方
He that climbs a ladder must begin at the first step .
登梯须从第一级开始。
They scale the wall by ladders.
他们登梯子爬上墙头。
To be safe you should go up a ladder one rung at a time.
为安全起见, 登梯子时你应该一步一步往上爬。
They advanced up the gangway and gained the deck.
他们经舷梯登上甲板。
"I wear his pegged Boots Up a ladder of Blue cloud,"
脚着谢公屐, 身登青云梯。
The act of scaling a fortified wall or rampart.
攀登，爬云梯攀登设防的高墙或城垣的行为
Climbing kit includes climbing boots, crampons, snow goggles, alpenstocks, ice axes, ice pitons, piton hammers, and rope ladders.
登山工具包括登山靴，冰爪， 护目镜，铁头登山杖，冰镐，冰锥，铜锥和绳梯。
The passenger walk up the ramp to board the airplane
旅客们走上活动舷梯登上飞机
The passengers walked up the ramp to board the airplane.
旅客们走上活动舷梯登上飞机。
Climbing towers, monkey bars, fire pole, slide.
攀登塔、玩耍梯、攀高绳、滑板。
He was puffed out after climbing all those stairs.
他登完楼梯後已经上气不接下气了.
At the critical moment, the leader of an army acts like one who has climbed up a height and then kicks away the ladder behind him.
帅与之期，如登高而去其梯；
Climbing all these stairs is a real sweat.
登上所有这些楼梯可真费力气.
Becoming assistant to the md is a step up the promotion ladder.
给总经理当助手是登上晋升的梯子。
A mobile staircase by which passengers board and leave an aircraft.
客机梯子一种可移动的梯子，乘客可用它登上或离开飞机
Any of the small ropes fastened horizontally to the shrouds of a ship and forming a ladder for going aloft.
绳梯水平连成一串的小绳，当作船体外衣，供人们作梯子登高
The young professor calmly mounted the steps of the Tower.
这位年轻的教授，一步步平稳地登上斜塔的楼梯。
On her aunt's nodding, she proceeded to toil up the narrow staircase before us.
见婶娘点了头，她便领头费力地登上狭窄的楼梯。