ventilation hole
短語(yǔ)詞組
- Ventilation hole position 通氣孔位置
- ventilation and security hole 通風(fēng)兼安全洞
- root ventilation hole 葉根通氣孔
- pin -hole ventilation terminal 細(xì)孔式布風(fēng)器
- the complementary double -hole network ventilation 雙洞互補(bǔ)式網(wǎng)絡(luò)通風(fēng) 返回 ventilation hole