English to Indonesian
| hydraulic grade line | garis batas air |
| hydraulic | dijalankan dg tenaga air, air mengalir melalui pipa |
| grade | tingkatan, mutu, nilai, memnggolongkan, menyusun, memberi nilai |
| line | garis, barisan, rangkai, deretan, jalan kereta api, garis pertempuran, melapisi, berjejer |