The NUT is concerned that an increase in form-filling has driven up teachers' workloads.

NUT认为是形式填充教学的增加，让老师感到了工作压力。

youdao

Check the bolt and nut and filling press cover, it it become flexible during the transport or store, screw down it.

内腔进行去湿处理并检查各连接部位的螺栓、螺母和填料压盖等是否在运输和存放过程中产生松动，如发现应均匀拧紧。

youdao