In such conditions a shear head wave is generated, so that standard techniques based on monopole transducers can be used to measure formation shear velocity.
在这种情况下会产生横波首波，因此可以使用基于单极子传感器的标准技术测量地层横波。
Flying shear is used to cut head and end and design length as well as accident on wire rod producing.
线材生产中的飞剪机是用来切头、切尾、以及当出现事故时切取定尺的。
The flattener is located next to the and straightener. It's used to flatten the head and trail of the strip and feed the strip into the shear welder.
位于直头机之后，用于矫平带钢的头部和尾部，并将带钢送入剪切对焊机。
Steel Series: steel with high strength large hexagon head bolts, torsion shear bolt connections made, the steel truss joints of high strength bolts, studs, drill the end of wire.
钢结构系列：钢结构用高强度大六角头螺栓，扭剪型螺栓连接副，钢网架球节点用高强度螺栓，焊钉，钻尾丝等。
In the paper, a shear spring model is proposed to simulate the constraint of the soil. Based on this model, the theoretic formula of pile head stiffness is derived.
本文提出的用模拟桩周土约束的剪切弹簧模型来计算单桩刚度，并推导出了相应的理论计算公式。
In the paper, a shear spring model is proposed to simulate the constraint of the soil. Based on this model, the theoretic formula of pile head stiffness is derived.
本文提出的用模拟桩周土约束的剪切弹簧模型来计算单桩刚度，并推导出了相应的理论计算公式。
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