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| 矩形流钢孔 (浸人式水口的 • The submerged entry nozzle is a conventional dual rectangular port design with downward port angles of 15 degrees. 该浸人式水口系普通双矩形流钢孔结构，流钢孔下倾角为15°。) | |||
| 矩形孔 (口) | |||
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rectangular port : 2 фрази в 1 тематиці |
| Металургія | 2 |
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| 矩形流钢孔 (浸人式水口的 • The submerged entry nozzle is a conventional dual rectangular port design with downward port angles of 15 degrees. 该浸人式水口系普通双矩形流钢孔结构，流钢孔下倾角为15°。) | |||
| 矩形孔 (口) | |||
|
rectangular port : 2 фрази в 1 тематиці |
| Металургія | 2 |