eleometer
... elementary元素的，基础的，初级的 eleometer油度计，油比重计 elevation上升，隆凸，挺起 ...
elaiometer
... elaeometer油比重计 elaiometer油度计，油比重计 elargol银胶 ...
oleometer
grease spot photometer
grease-spot photometer ; spot photometer ; grease-spot ; photometer
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