查询词典 fro

He came to a bridge, on which a little lady was rocking to and fro in a walnut shell.

他来到一座桥上，看见一个小女人坐在榛子壳里来回地摇晃著。

One evening, while the Rabbit was lying there alone, watching the ants that ran to and fro between his velvet paws in the grass, he saw two strange beings creep out of the tall bracken near him.

一个晚上，兔子正独自躺在那里，注视着草地上的蚂蚁，在自己的绒布脚掌之间来来去去，这时，他看到两个奇怪的小东西，从他身旁高高的蕨丛中钻了出来。

Operation analysis and investigation show that it is caused by the inappropriate design of hot vapor bypass control system, so the revamping has been carried out as follows: The diameter of hot vapor bypass pipeline has been enlarged from DN 40 mm to 80 mm, and the pressure difference of hot vapor bypass adjusting valve decreased from 50 kPa to 35 kPa; A vent pipeline for non-condensable gas fro.

改造的措施主要有：增大了热旁路管道的直径(由DN40mm增大到DN80mm)，并降低了热旁路调节阀的压差取值(由50kPa降低到35kPa)；增设一条自冷凝器壳程出口至回流罐的不凝气放空管道；对脱丁烷塔分程控制系统进行了改造，即将调节器输出信号的0-45%，55%%-100%分别用于控制热旁路调节阀和放空阀。

A design case of to-and-fro yarn-guiding system is presented to illustrate the application of this method.

通过捻线机往复导纱系统设计实例说明和验证了该方法。

His hands were stretched open, and he was looking to-and-fro over the earth searching for his saints.

他看着地球上，四处寻找他的圣徒。

His hands were stretched open, and he was looking to-and-fro over the earth searching for his saints.

他看著地球上，四处寻找他的圣徒。

His hands were stretched open, and he was looking to-and-fro over the earth searching for his saints.

她问他很多问题，诸如为何在人上嘴唇的皮肤会有一道压痕？

A live fish is swimming to-and-fro in the water.

一条鱼在水里游来游去。

A scheme is put forward, which is designed for to-and-fro maglev train between two stations, and the practicable methods for each part of this scheme are discussed.

提出了适用于我国现阶段的，两站间往复式磁悬浮列车线路的ATC系统方案，讨论了各部分的组成和实现方法。

Underneath the phenomenon of diverse choices and events , there is a most basic cycling, to-and-fro interweaved-structure.

在多样的选择和事件之下存在着最基本的循环往复的交织结构。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐