pitprop的意思|示意
美 / 'pɪtprɒp /
英 / 'pɪtprɒp /
n. 坑木，坑道支柱
pitprop相关例句
The pitprop fell on his head and knocked him out.
坑木掉在他头上,把他打昏过去.
辞典例句