充填开采是目前安全开采建筑物下压煤的理想措施。
Filling mining is a good measure to safely mine the coal under buildings at present.
院士办、工程中心、安全开采总院有关负责人参加座谈。
Academy Office, Engineering Center, General Hospital mining safety responsible person at the forum.
院士办、工程中心、安全开采总院有关负责人参加座谈。
Academy Office, Engineering Center, General Hospital mining safety responsible person at the forum.
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