keel-line

常见例句

• The workers are laying a keel of the ship.
  工人正在给那艘船安龙骨。
• The keel of the boat was made of steel.
  这船的龙骨是钢制的。
• The vertical line meets the horizontal one here.
  垂直线与水平线在此相交。
• One line cuts another at right angles.
  一条线与另一条线成直角相交。
• The printers have missed out a whole line here.
  排版工人在这里漏掉了一整行。
• Participation in tender is in our line of business.
  参加投标属于我们的业务范围。
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