词汇	thinkness of coal seam
释义	thinkness of coal seam 煤层厚度
随便看	policy text policy thought Policy to Central Asia policy to china policy to enrich people policy to Japan Policy to Mainland policy tool policy tools policy tools choice policy to Taiwan policy to treat everyone fairly policy toward policy toward China policy toward Christianity policy toward ethnic minority education policy toward overseas Chinese affairs policy towards cadres policy towards calamity policy towards Chiang Kai-Shek policy towards East Asia policy towards ethnic higher education policy towards intellectuals policy towards Japan policy towards nationalities