求翻译：图中1.荒煤气管路2.热管换热器3.蝶阀4.密封式盲板阀5.热管6.内筒体7.蒸汽包8.波纹膨胀节9.脉冲布袋除尘器10.补水泵11.观察清扫人孔是什么意思？

Figure 1. Raw gas pipeline 2 heat pipe heat exchanger 3 butterfly 4 sealed blind plate valve 5 heat pipe 6 inside the cylinder 7 of steam packet 8 bellows expansion joint 9 pulse bag filter 10. water supply pump 11. observe cleaning manholes

In the figure cannot be gas pipe line 2 1 . . . heat pipe heat exchanger 3 butterfly valve 4 sealed blind valve 5 . . . heat pipe within 6 cylinder steam packs of 8 7 . . . contral air conditioner 9 pulse bag filter pump 10 Supplement . . 11 observer cleaning manholes

In the chart 1. wild coal gas pipeline 2. heat pipe heat interchanger 3. reed valve 4. sealed type blind plate valve 5. heat pipe 6. inner liner bodies 7. steam the steam drum 8. ripple inflation festival 9. pulse cloth sack dust remover 10. to make up the water pump 11. observations to sweep clear

1. gas pipeline 2. heat pipe heat exchanger 3. butterfly valve 4. sealed type blind plate valve 5. heat 6. cylinder 7. steam packet 8. ripple inflation Festival 9. Pulse bag filter 10. small pump 11. observation of sweeping manholes

1. gas pipeline 2. heat pipe heat exchanger 3. butterfly valve 4. sealed type blind plate valve 5. heat 6. cylinder 7. steam packet 8. ripple inflation Festival 9. Pulse bag filter 10. small pump 11. observation of sweeping manholes