活荷载 live load ; variable load ; temporary load

活动荷载 mobile load ; moving load

桥活荷载 live load on bridge

楼面、屋面活荷载 floor live load ; roof live load ; characteriseic value of live load on floor or roof

活塞载荷能力 piston load capacity

管道活荷载 live load on conduit

集中活动荷载 concentrated load

等效活荷载 equivalent live load

楼面、屋面活荷载组 combination value of live load on floor or roof