Sent_en: 2zh A five tonne borer drilling machine has been secured in place to drill a one metre hole through the remaining 12-16 metres of rock that fell into the main shaft.
Sent_yy: 一台5吨钻孔机已经固定到位，可以在剩下的掉进了主井的12至16米的岩石上钻出一个1米的洞。