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It is concluded that the shotcreting-bolting support is a effective measure guarding against initial caving.
认为采用喷锚支护是防止其初始冒落的有效措施。
youdao
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It is concluded that the shotcreting-bolting support is a effective measure guarding against initial caving.
认为采用喷锚支护是防止其初始冒落的有效措施。
youdao