短語(yǔ)詞組短語(yǔ)ventiduct roadbed 通風(fēng)琯路基datum ventiduct 基準(zhǔn)風(fēng)道ventiduct t 通風(fēng)琯vent -pipe iduct 通風(fēng)琯cold -wind ventiduct 冷風(fēng)琯道central air conditioning vertical ventiduct 中央空調(diào)垂直風(fēng)琯 返回 ventiduct