单词	calciumkarbid
释义	同Calciumkarbid、CaC2
随便看	metrological function metrological guarantee metrological law metrologically metrological properties of instrument metrological property metrological provision metrological standard metrological study metrological supervision metrological testing metrological traceability metrological traceability chain metrologie metrologies metrologist metrologists m etrology metrology metrology grating metrology in chemistry metrology laboratory metrology vehicle metromania metromaniac