manhole step irons是什么意思

网络释义

用法例句

Design and application of fitness step sliding plate vehicle based on ergonomics

基于人机工程学的健身踏步滑板车的设计与应用

Against to the limit of deflection calculation formula of present standard,according to material mechanics and concrete standard formula,the stairway plate deflection was calculated considered step change plate thickness.

针对目前规范中挠度计算公式的局限性,根据材料力学和混凝土规范的公式计算考虑踏步的变板厚的梯板挠度,结果表明:按变截面板计算较容易满足规范规定挠度,相应的板可做薄,达到节约成本的目的。

One of a series of steps or steplike projections on the top of a gable wall.

鸟步山墙顶上一系列踏步或踏步状突出的上步

She is stalking the streets.

她在街上大踏步地走着。

Mr. Wang stalked out of the room.

王先生大踏步走出房间。

B: Neither. I prefer to use the stationary bike for my warm-up.

都不是。我比较喜欢用踏步机(定式脚踏车)暖身。

Are you going to do step aerobics today?

伱今天要做阶梯踏步的有氧运动吗？

He tramped angrily out of the house.

他怒气冲冲地大踏步走了出去。

We heard soldiers tramping by.

我们听见士兵们踏步而去。

Do we want to get somewhere or do we want to get stuck in the rut?

我们要为目标奋斗还是在原地踏步？

Nor is CRT technology standing still.

CRT技术也不是在原地踏步。

The teacher ordered the students to mark time.

教师命令学生们原地踏步走。

The captain ordered his men to mark time.

上尉命令士兵们原地踏步。

We had marked time for five minutes before the general came.

将军来之前，我们原地踏步已有五分钟。

He stalked across the park.

他大踏步走到公园另一端。

China is developing at seven league strides.

中国正在大踏步地向前发展。

"Glad to see you, Mike, really glad."

随后，他大踏步地径直向办公室走去。

Striding along with her wonted purposefulness.

带着她惯有的果断大踏步地走下去

Turnable treads steel gangway ladder

GB/T1391-1987活动踏步钢质舷梯

He never stepped foot on foreign soil.

他从未踏出国门一步。