词汇	rock-fall impaction
释义	rock-fall impaction 落石冲击
随便看	vocational guidance personnel in universities vocational guidance system vocational guidance teacher vocational guidance work vocational guide vocational guider team vocational handicap vocational happiness vocational harm vocational high vocationally-oriented vocational maladjustment vocational managers vocational higher education Vocational higher-education vocational higher educational vocational higher education for police vocational higher education institution Vocational higher education institution library vocational higher education institutions vocational higher-learning institution vocational high school Vocational High Schools vocational high school students vocational history