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 |
 |
 |
 |
|
|---|---|---|---|---|---|
| 1 | acoustical | 音響の | |||
| 2 | acoustical fiber board | 吸音テックス | |||
| 3 | acoustical filter | 空洞型消音器 | |||
| 4 | acoustical noise | 騒音 | |||
| 5 | acoustical properties of the reflecting plane | 反射面の音響特性 | |||
|
|
|
|
|
|
|---|---|---|---|---|---|
| 1 | acoustical | 音響の | |||
| 2 | acoustical fiber board | 吸音テックス | |||
| 3 | acoustical filter | 空洞型消音器 | |||
| 4 | acoustical noise | 騒音 | |||
| 5 | acoustical properties of the reflecting plane | 反射面の音響特性 | |||