螺旋钻头参数
parameters of screw auger
螺旋钻头铣床
twist drill milling machine
卧式螺旋活套
Horizontal spiral accumulator
叉状头螺旋转录因子
Forkhead helix transcription factor
长螺旋旋喷水泥土桩
long auger rotary-jet mixing soil-cement pile
长螺旋钻管内泵压CFG桩
pressure pumped CFG pile by continuous auger drill