他们携带厚重的外套，以预防冷天来袭。
They took heavy coats as a precaution against the possibility of cold weather.
介绍低温乙烯储罐消防冷却水系统的设计。
Introduce design of cooling water system of fire fighting of low temperature liquid hydrocarbon storage tank.
刺漏是由气蚀引起的，因此预防冷缸刺漏应从预防冷缸气蚀入手。
So preventing cold cyclinder from piercement should start from preventing cold cyclinder from cavitation erosion.
该镀层在大气或超高真空条件下具有良好的耐磨性、防冷焊性和导电性；
The coating possesses high wear and cold-welding resistance and good electric conductivity both in atmosphere and in ultrahigh vacuum.
在寒冷的环境下为了预防冷凝和产生多孔的焊缝，使用预热可能会有一定帮助。
It may be helpful in cold ambient conditions to avoid the risk of condensation and possible resultant porosity.
结合在工作中稚导的计算公式，介绍了球罐固定消防冷却水喷雾系统的设计步骤与计算方法。
Ways of designing and calculation on the fixed Extinguishing cooling water spray system of spherical tanks, based on formulas summarized in the design work.
在舱口及露天甲板处，用可拆卸的金属盖板：在一些高温和冷冻区，我们都将电缆进行绝热、防冷等保护。
In places such as hatches, and open decks, we use removable metal coverings, in some hot or refrigerated places, we use insulated cables.
其研究内容包括：对X60管线钢进行了焊接性实验，得出野外焊接施工初始温度，从而预防冷裂纹的产生；
The contents of research include: Make the weld property test for the X60 pipeline steel, as a result from it that is temperature before starting weld to prevent delay crack;
可安装在易燃易爆的石化企业、油罐区、输油码头、船舶等场所，作为远距离扑救油类火灾及消防冷却的有效设备。
As an effective equipment for distant putting out oil fire and cooling, it can be fixed in flammable and explosive petrochemical industry, oilcan zone, oil handling terminal, wharf and so on.
对储罐固定消防冷却水设置形式进行了分析，指出储罐的固定消防冷却水宜采用顶部淋水与固定水炮相结合的设置形式。
Setting types of the fixed fire water - supply were analyzed. It was pointed out that the combination of the top shower with the fixed monitors is a suitable mode for the fixed fire...
对储罐固定消防冷却水设置形式进行了分析，指出储罐的固定消防冷却水宜采用顶部淋水与固定水炮相结合的设置形式。
Setting types of the fixed fire water - supply were analyzed. It was pointed out that the combination of the top shower with the fixed monitors is a suitable mode for the fixed fire...
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