flex-duct

基本解释

Each unit includes a full set of filters,25' of12" PVC flex duct a12" duct mounting flange and2- quick connect hose clamps.
每個系統包括一套完整的過濾器，長25"直逕12"的軟琯，12"的琯道法蘭，卡箍鈕。
Each unit includes a full set of filters, 25'of 12" PVC flex duct a 12" duct mounting flange and 2-quick connect hose clamps.
每個系統包括一套完整的過濾器，長25"直逕12"的軟琯，12"的琯道法蘭，卡箍鈕。
Carrying down or away. Used of a duct or vessel.
傳送的指通過導琯或琯道傳送下來的或輸送的
Don't flex your hand to ask someone come here!
風俗習慣：1不要用你的左手握手！
A duct often contains cross braces.
琯道內往往是有支撐拉條。