Chinese translation for "back-filling in layers"

分层回填

Similar Words：

"back-extraction" Chinese translation, "back-extrapolate" Chinese translation, "back-feed material" Chinese translation, "back-feed oil seal" Chinese translation, "back-field" Chinese translation, "back-fill，back-up" Chinese translation, "back-fire arrangement" Chinese translation, "back-fire arrestor" Chinese translation, "back-flame boiler" Chinese translation, "back-flap assembly" Chinese translation