... adjusted drainage适应水系 aimless drainage 无目标排水(如低沼泽地带的),紊乱水系 air drainage 排气[设备] ...
双语例句
1
Due to their slanted position and the air cushion in between the ribs are optimally adjusted to the acoustic behaviour of the poloplast above ground drainage systems polo-kal ng and polo-kal3s.