求翻译：加入物料，开启真空泵，启动电机，使整机正常运行，同时检查真空度是否达到要求，经过一小时运行干燥后，停机检查物料干燥情况，然后每间隔20～30分钟检查一次直至合格，记录下累计干燥时间，在正常操作时，按此时间进行干燥即可。是什么意思？

To join materials, open the vacuum pump, starter motor, the machine run at the same time check whether the degree of vacuum is to meet the requirement, after one hour of running dry, stop to check the drying, and then at intervals of 20 ~ 30 minutes check until qualified to record cumulative drying

To join materials, open vacuum pump, motor, make the machine starts running, and at the same time the degree of vacuum is achieved after 1 hour, running after drying off inspection materials dry, and then 20 to 30 minutes intervals until one inspection qualified to record cumulative dry time, during

Joins the material, opens the vacuum pump, starts the electrical machinery, causes the complete machine normal operation, simultaneously inspects the vacuum degree whether meets the requirements, after passes through an hour movement dryly, until the shutdown check material dry situation, then is se

Joining materials, turn on the vacuum pump, electric start, runs the complete machine to function properly, also check the vacuum is achieved, after a one-hour run dry, check out materials, and once every 20-30 minutes interval check until the qualified, cumulative drying time record, in normal oper