单词	air fluoride
释义	air fluoride 大气氟化物
随便看	grouting through segments grouting to prevent coal dust grouting to reinforce grouting treatment grouting treatment of gob area grouting treatment time grouting under-borehole groutingup grouting up Grouting velocity grouting volume grouting wall system grouting water shutoff Grouting ways grouting with high pressure grouting with sleeve valve pipe grouting with small diameter tubing grouting with small pipe grouting works grouting wrapped pile method grout injection grout-injection method grout injector grout intake groutite