As the operators swing the enormous bucket of concrete, engineers below indicate the exact spot where it should be poured.
操作员调运巨桶混凝土，下面的工程师则指示正确的浇灌位置。
2
For this application, the bucket feed mechanism, RBC media, and Bio-Clarifier shaft are installed in concrete tankage conforming to the shape and dimensions of the Bio-Module steel tankage.