| 1. | To reduce heat losses the pipes are covered by thermal insulators .
为了减少热散失，管子外包保温层。 |
| 2. | Heat preservation : polyurethane foam with 55mm thickness
保温层： 55mm超厚聚胺酯材料 |
| 3. | Metal insulation is adopted for the vessel heat insulation
容器采用金属保温层隔热。 |
| 4. | Replace the insulation and access door ( s )
重新安装绝缘保温层和观察门。 |
| 5. | Remove the access door ( s ) , insulation and element cover ( s )
拆卸观察门，绝缘保温层和加热元件盖。 |
| 6. | Fold the insulation outward and away from the heater element ( s )
将加热元件外部的绝缘保温层拆卸下来。 |
| 7. | Special heat preservation : less heat loss , more efficiency and more beautiful
专有保温层：低热耗，高效率且美观。 |
| 8. | Standard of polyurethane foamed coating for buried steel pipeline
埋地钢质管道硬质聚氨酯泡沫塑料防腐保温层技术标准 |
| 9. | A new method of synchronized design for oil pipeline and thermal insulation layer
一种新的输油管道及其保温层设计方法 |
| 10. | To reduce heat loss , the insulation must be coated on the pipe and heating cable
为减少热损失，应在电热带外侧加保温层。 |
