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APFDS-R2 双头直螺冻土短螺旋钻头

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Number of views:
1000
Product serial number
DLX03
Category
PRODUCTS
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结构特点:
    1、切削具为截齿,边齿为截齿
    2、无先导定芯,利用接近中心 的截齿进行体积破碎
    3、焊齿叶片为双头直螺,倒土叶片为单螺或双螺


适用地层:
    中、硬岩层,微风化岩层、冻土层。
    

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