pitprop
音标: ['pitprɒp]
pitprop是什么意思、pitprop怎么读
n. 坑木, 坑道支柱
pitprop汉语翻译
n. 坑木, 坑道支柱
pitprop英语解释
名词 pitprop:
- a wooden prop used to support the roof of a mine同义词:sprag