特点：
◆该计量仪器为测定液体比重的专用天平
◆采用玛瑙刀座，保证了天平的灵敏度和准确性。
◆木质包装，使携带更方便，操作更简单。
◆主要部件采用不锈钢材料，强度高，稳定性好。Feature：
◆The instrument is professional Balance which weighs liauid gravity.
◆It is adopted agate cushion which guarantees the Balance’s sensitivity and accuracy.
◆Wooden package, convenient to take, easy operation.
◆Main parts are adopted stainless steel material, strength and good stability