The work provides a theoretical basis for preheating or preheating treatment according to the conditions.

The process factors of staining salt during workpiece preheating with salt washing are analyzed.

分析了造成工件盐浴加热时沾盐问题的工艺因素.

The key of the technology was designing ideal process by using suitable preheating method.

该技术的关键是采用合理的预热方式,设计出理想的工艺流程.

Air-gas double preheating technology is adopted-beam furnace of the 750000 ton's bar steel-continuous plant in Xuangang.

宣钢75万吨全连续棒材车间加热炉所采用的是空煤气双蓄热技术.该炉热利用率较高,实际排烟小于150℃.

Organize roller before press roller has the function of preheating.

热压辊前面的整理辊可带预热功能.

A good pot preheating prior to liquid electrolyte addition if therefore considered important at most smelters.

因此,在电解液加入之前对电解槽的良好预焙是十分重要的.

Some customers require ingots for their convenience of efficient conveying and preheating of ball type ingots.

为便于运送及其预热,一些用户需要球形锭.

The preheating temperature of granules had the most prominent effect on the process of penetrating casting.

结果表明:粒子预热温度对渗流工艺的影响最显著.

Poets are those strangely prehensile men.

诗人是那些具有深刻洞察力的人们.

They have prehensile lips for feeding on leaves and saplings.

它们都具有能卷握东西的嘴唇,可用于取食树叶和树苗.

The incom-prehension between the two men was mutual.

两人之间互不理解。

It falls entirely within prehistoric times.

它是完全属于史前时代的事.

The fact that they have remained relatively unchanged since prehistoric times is incredible to me.

事实上从史前时期它们保持相对的无变化,这让我很不可思议.

The prehistoric reptile lived in the Cretaceous period, about 125 million years ago.

这只史前爬行动物生活在约一亿两千五百万年前的白垩纪.

The landscape also preserves many features of that prehistoric period.

这里还保存了许多史前时期的特征.

A prehistoric site near Lake Turkana, the valley of the Omo is renowned the world over.

奥莫低谷位于图阿卡那湖附近, 是世界上著名的史前文化遗址.

A major prehistoric village has been unearthed near Stonehenge in southern England.

在英格兰南部巨石阵附近发现了一座大型的史前村落.

" When you call me'senior ', I feel like a prehistoric relic.

你叫我‘前辈 ’, 我已经觉得像史前原人的遗骸了.

a prehistoric attitude towards women

对待女性的过时看法

In prehistoric time, people from Africa and Asia migrated to other continents.

在史前时代, 人们从亚洲和非洲迁移到其他大洲.

Some prehistoric people lived in caves.

有些史前时期的人住在洞穴里.