尾部降低式车架 step-down frame

局部降水 local precipitation

降部 descender ; [解剖] descending part

空降兵部队 airborne troops

空降部队 Airborne Forces ; paratroops ; airborne ; airborne troops

局部降雨 local rain

我国东部降水 precipitation in the east of china ; Rainfall in East China

内部电压降 Voltage Drop

先露部下降 descending of presenting part ; descent of presenting part