12 、The common strain clamps includealuminiumalloy bolted type (NLL) and malleable iron type (NLD).───常用的耐张线夹有螺栓型铝合金耐张线夹(NLL)和可锻铸铁耐张线夹(NLD)。 13 、We employaluminiumfor our cooking pots.───我们用铝做饭锅。 14 、Applications of on-line analytical instruments ...