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| Subject | English | Chinese |
| space | area expansion ratio | 膨胀面积比 (喷管出口截面面积与喉部截面面积之比) |
| space | area expansion ratio | 面积膨胀比 |
| space | area expansion ratio | 喷嘴膨胀系数 |
| space | area expansion ratio | 喷管扩张比 |
| space | nozzle area expansion ratio | 喷管面积扩张比 (喷管出口面积与喉部横截面积之比) |
| avia. | nozzle area expansion ratio | 喷管面积扩张比 |
| space | nozzle-expansion area ratio | 喷管膨胀比 |