钻

• Under-drilling is calculated on the maximum theoretical burden .
  底部钻凿是按最大理论抵抗线计算。
• These are the result of the penetration of the larvae into the crypts .
  这些是幼虫钻入滤泡的结果。
• At least two wakes had to go under the lead transport .
  至少有两条尾波应该钻到那带头的运输舰底下。
• The flames darted into a rick of straw with lightning swiftness .
  火苗象闪电一样迅速地向草垛里钻着。
• The dust is so fine that it easily penetrates all the buildings .
  尘土极细，能极轻易地钻入一切建筑物。
• The last week a fright has been stealing upon me .
  后一个星期里，有一种恐怖不知不觉地钻到我的心里来了。
• A twist drill is designed to drill a hole which has a particular size .
  麻花钻用来钻削具有一定尺寸的孔。
• Cuttings and core from the drill-holes have intersected conglomerate bands .
  钻粉和岩心已穿过了砾岩夹层。
• The moon drifted from behind the clouds and exposed the pale face .
  月亮从云后面钻出来，照出了那苍白的面孔。
• A combination of cushion blasting and line-drilling can be suitable .
  缓冲爆破和轮廓线钻眼法结合使用可能比较合适。