spudding in
... spudding bit 开眼钻头 spudding in 钻入 spudding up and down 上下活动钻具 ...
plunge
... ratio 比率 plunge 钻入 resin 松香 ...
drilled into the
钻入 » drilled into the 接着妈妈和爸爸也一起唱了首歌。 » Then mum and dad sing a song together.
penetration rate
ducking
drilled pile