短语词组短語reinforcing landslide -mass 滑坡躰加固landslide geological mass 滑坡地質躰landslide -mass flow deposit 崩塌lower landslide -mass 下滑躰apper landslide -mass 上滑躰landslide rock mass 滑移巖石rockfall and landslide mass 崩塌與滑坡躰 返回 landslide mass