双向水平地震作用
bi-directional seismic action
多向地震作用
multiple-dimensional earthquake action
竖向地震作用
vertical earthquake effect
vertical seismic effort
vertical earthquake action
role of vertical seismic
Vertical seismic action
earthquake action in vertical directions
vertical earthquake
水平和竖向地震作用
horizontal and vertical seismic loads
单双向地震动
uni-and bi-directional seismic excitation
双向地震
bi-directional horizontal seismic action
bidirectional earthquake
双向地震动
two-direction earthquake wave
Bidirectional earthquake ground motion
bi-directional ground motions
双向地震反应
bilateral seismic response
双向流（双向作用）
Bidirectional interaction
双向作用筒式减振器
Double adjustable shock absorber
水平地震作用方向
horizontal seismic direction
地震作用标准值
characteristic value of earthquake action