compressed air caissoncompressedair caissonpneumatic caisson压气: calm sb.'s anger沉箱: caisson; float case; sinkbox ...压气沉箱基础: compressed air foundation压气沉箱凿井: pneumatic shaft sinking压气沉箱凿井法: pneumatic method of sinking下载手机词典可随时随地查词查翻译
