便携式铁路钢轨钻孔机的加工优点主要体现在降低了铁工的劳动强度，提高了工作效率。
Then the transform merit of the hold type railroad steel rail borer machine mainly embodiment lowered the Labour intensity of blacksmith, raised a working efficiency.
通过在大截面钢筋混凝土和钢轨抗滑桩身埋设钻孔测斜管，监测得二类抗滑桩的水平侧向位移。
The horizontal lateral displacement of reinforced concrete or rail anti-slide piles is measured by setting up borehole incline-tube in pile.
通过在大截面钢筋混凝土和钢轨抗滑桩身埋设钻孔测斜管，监测得二类抗滑桩的水平侧向位移。
The horizontal lateral displacement of reinforced concrete or rail anti-slide piles is measured by setting up borehole incline-tube in pile.
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