-
四氢噻吩含量多高时能被味觉查到 天然气是的气味是四氢噻吩还是硫化氢?准确点。直接采纳。
四氢噻吩的注意事项 S16Keep away from sources of ignition.远离火源。S23Do not breathe vapour.切勿吸入蒸汽。S3637Wear suitable protective cloth...
四氢噻吩的注意事项 S16Keep away from sources of ignition.远离火源。S23Do not breathe vapour.切勿吸入蒸汽。S3637Wear suitable protective cloth...