孔

• Most soils and rocks are porous .
  大部分土壤和岩石都是多孔的。
• The valve shown has a pilot and a bleed orifice .
  该阀具有控制孔和流出孔。
• The air passage is called the air bleed .
  空气通道叫通气孔。
• "you better come with me, son," kuntz said .
  “你跟我来吧，小子，”孔茨说。
• Perforated plates correspond to heterogeneous media .
  多孔板相当于均匀介质。
• She poked her finger into the hole .
  她把手指插入那个孔里。
• Its removal draws soil air into the hole .
  其拔起的动作会把土壤气体抽入孔中。
• All holes were positioned at the tip of the crack .
  所有的孔都位于裂纹的尖端。
• The teeth were firmly cemented in their sockets .
  牙齿被牢固地粘合在其孔窝内。
• The end of the hole is hemispherical .
  小孔端面成半球状。