气体: gas; gaseous fluid密度: density; thickness记录: take notes; record仪: appearance; bearing高度记录仪: altigraph挠度记录仪: flexigraph浓度记录仪: consistency recorder深度记录仪: depth recorder; depth-registering device; depthrecording device湿度记录仪: humidity recorder; hygrograph; moisture recorder; recording hygrometer速度记录仪: velograph温度记录仪: hygroautometer; hygroautometre; hygrograph; recording thermometer; temperature recorder; temperature-recording instrument; thermograph; thermometrograph粘度记录仪: viscosity recorder气体密度: de ity of gas; densi-tensimeter; density of gases; gas density/density of the gas气体密度计: aerometer; dasymeter; elaterometer; elatrometer; gas densitometer; gas density balance; gas density gauge; gas-density gauge; manoscope倍密度记录: double density recording变密度记录: variable density recording单密度记录: single density recording高密度记录: high de ity recording; high density recording密度记录器: density recorder; dr双密度记录: double dense recording; double density recording; double-density recording导电度记录仪: dionic recorder加速度记录仪: accelerograph游离度记录仪: freeness recorder气体密度测定: manoscopy气体密度天平: gas dencity balance; gas density balance
