1) cardboard
[英]['kɑ:dbɔ:d] [美]['kɑrd'bɔrd]
[厚硬]纸板
2) thick-hard roof
厚硬顶板
1.
8102 face in the Guobei Coal Mine, key technologies of reasonable mining under the condition of soft coal, thick-hard roof and contiguous seams have been studied by the integrated means of theory analysis,numerical simulation and field measurement.
本文以涡北煤矿8102工作面的地质条件和生产技术条件为基础,综合运用理论分析、数值模拟和现场实测等方法,对软煤、厚硬顶板、极近距离煤层合理开采关键技术进行了系统研究。
3) heavy straw board
厚草纸板
4) bulking board
松厚纸板
5) six-pack
[英]['sikspæk] [美]['sɪks,pæk]
厚纸板箱
补充资料:3300mm中厚板轧机(上海第三钢铁厂)
3300mm中厚板轧机(上海第三钢铁厂)
3300mm中厚板轧机(上海第三钢铁厂)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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