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abortive holes ? [Copy link] 中文

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Post time 2007-1-4 21:39:09 |Display all floors
UNIT PRICES include for drilling mortices or forming mortices in the structure by whatever means necessary including diamond drilling, abortive holes etc.
单价包括在结构中钻孔或开榫眼,不管用什么方法(包括金刚石钻孔、磨孔等)。

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