管线

Even maintenance of enclosed roadways and pipelines could also be affected by winter weather.

即使是关闭的路面和管线的维护也将受到冬季气候的影响。

Look for and report broken utility lines and damaged roadways and railways to appropriate authorities.

寻找并向适当的主管单位通报毁损的维生管线及受损的道路与铁路。

The main valve and pilot system can be serviced without removing the valve from the line.

不需要从管线上拆卸阀门，就可以对主阀和引导系统进行维修。

On the other band, the depth of underground metal pipe can be detected by use of the detector.

本文给出了一个探测管径的方法，从而给测绘管线图和市政管理增加了有用信息。

The paper, therefore, makes a preliminary study on the metal pipe and wire corrosion mechanism and anti-corrosion technology .

因此，对金属管线腐蚀的机理以及防腐技术做了初步探索。

But Tube Lines has benefited from Gordon Brown's political decision to privatise maintenance work on the London Underground.

但管线，得益于财政大臣布朗的政治决定私有化的维修工作，对伦敦地下铁路。

When installing a drain line, use Series 909 air gaps on Model 909 backflow preventers.

在安装排泄管线时，在型号909防回流阀上采用系列909气隙。

Many kinds of primers shall be applied on pipings of different systems after blasting.

在一次喷砂除锈之后，有多种底漆需要在不同系统的管线上喷涂。

As the outer surface of underground pipe line may suffer sever corrosion by soil, and for its unaccessable characteristics, the inspection method of underground piping is quite different from other processing pipings, so that it was issued as an independent section in the API-570 Code.

但地下管路因为可能会受土壤之影响而引起严重之外表腐蚀，故其检测方法是与其他制程管线之检查有所不同。因为地下管路有无法接近之特性，故其检查也以独立的章节呈现在API-570中。

Consequently, we describe three kinds of interferences in the pipelines:impact、pull-over and hooking.

系统地描述了拖网设备与管线发生干扰的三种形式：撞击、拖扯和勾扯。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。