垂: hang down; droop; let fall冰: iceicicle (垂冰): 冰柱冰柱，垂冰: icical垂冰柱: icicle屋檐垂冰: cornice下垂冰草: drooping wheat grass垂冰, 冰柱, 冷冰冰的人: icicle垂标间距: length between perpen- diculars (lbp)垂臂试验: drop arm test垂布: lappet垂臂式栏栅: drop arm barrier垂部: lappet垂臂: plumbing arm垂沉: sag垂彼卡: tribeca
