预抽真空 meaning in English
backing pressure
forvacuum
Examples
- Pre - evacuation protect atmosphere furnace
预抽真空保护气氛炉 - Our corporation locate at tianjin , near beijing - tianjin - tanggu expressway . " quality first , customer super " is our object . solid technical force , complete quality system and perfect service after sell is guarantee of excellent quality equipment
所生产的“ unicase系列密封箱式多用炉”和“ speria bbh预抽真空多用炉”被中国热处理行业协会评定为热处理先进可靠设备，推荐企业优先选用。 - Tianjin fengdong heat treatment equipment co . , ltd , sino - japanese joint venture , is a specialist firm to produce unicase series multi - purpose complete set , speria series pre - vacuum multi - purpose furnace complete set , uninite gas soft - nitriding furnace complete set , mesh - belt type continuous furnace , pit type bright annealing furnace and pit gas carbonitriding furnace complete set
全套技术，生产滴注式unicase系列密封箱式多用炉成套设备， speria bbh型预抽真空多用炉成套设备，气体软氮化炉成套设备，网带式连续炉，井式光亮退火炉及井式气体渗碳炉成套设备，并承接各种非标热处理设备的设计和制造。 - Bell type furnace is mainly used to steel strips , steel plantes , copper strips , copper plates and other metal parts for bright anneal and normal anneal heat treatments . according to the technics , the process of preevacuation . heating , protecting atmosphere gew or non oxidation heating , air cooling , fast colling and slow cooling treaments can be executed
罩式炉主要是用于钢带、钢盘圆、铜带、铜盘圆及其它金属材料及零件的光亮退火和一般退火工艺，根据热处理工艺的要求，可对热处理工件进行预抽真空、加热、保护气氛少无氧化加热、空冷、快冷及缓冷处理。