基本解釋透氣孔，出氣冒口英漢例句雙語例句The top riser vent with big mesh size has excellent ventilation. It also effectively guard against flies.上方大網(wǎng)目透氣網(wǎng)孔，通透氣佳，即可有效預(yù)防蒼蠅入侵。riser vent更多例句詞組短語短語Vent Riser 排氣體的管;垂直通氣管riser vent更多詞組