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The pull rod is screwed into the inside thread of the anchor head.
这是钻杆丝扣油,不能用在钻铤丝扣上。
youdao
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A new intelligent pull test system for anchor bolt is introduced.
介绍一种智能型锚杆拉力测试系统。
youdao
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A new intelligent pull test system for anchor bolt is introduced.
介绍一种智能型锚杆拉力测试系统。
youdao