效用

• Already this insurance policy is paying dividends
  现在美元储备已起到了良好的效用。
• Resolution to hume problems by popper and its theoretical effect
  的解决及其理论效用
• The avail of steel fiber on concrete thick cap
  钢纤维在混凝士厚承台中的效用
• . . . a condition that can be controlled with gambutrol
  甘比超仍可发挥效用以控制病情？
• My credit card becomes invalid after it ' s expiration
  我的信用卡到期后就失去效用了。
• Look after your goggles and visors with care
  如有磨损，便失去原来的效用。
• Relations between commodity effectiveness and price
  论商品效用与价格的关系
• Operational test for automatic fire alarm systems
  火灾自动报警系统效用试验
• W / h water spray pipe to be done function test
  驾驶室水喷淋管系效用试验。