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A B C D E F G H I J K L M N P Q R S T U V Z [ เทคโนโลยี ( Technology ) ] back |
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T T1 T2 T3 T5 T6 TA TC TD TE TF TG TH TJ TK TL TN TP TR TS TT TX |
| TA1 TA2 TA3 TA4 TA5 TA6 TA7 TA8 |
| LC | คำอธิบาย | ||||||||
| 21 | Structural engineering (General) | ||||||||
| 22 | Engineering geology. Rock mechanics. Soil mechanics. Underground construction | ||||||||
| 23 | Earthwork. Foundations | ||||||||
| 24 | Tunneling. Tunnels | ||||||||
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