be made by

• Furnace acid is made by reducing phosphate rock with loke in an electric furnace .
  炉酸是在电炉中用焦炭还原磷矿制得的。
• Ceramic elements are made by pressing and sintering finely powdered materials .
  陶瓷元件是将仔细研磨的材料经过加压和烧结制成。
• Ceramic elements are made by pressing and sintering finely powdered materials .
  陶瓷元件是将仔细研磨的材料经过加压和烧结制成的。
• Fine adjustments can be made by further tightening one of the screws or nut .
  可以用进一步旋紧两个螺钉或螺母中的一个来达到精调。
• It was already clear that not much progress would be made by correspondence .
  已经可以看得很清楚，单凭通讯，不会使事情有多大进展。
• We ask for an unexampled effort, believing that it can be made by them .
  我们要求他们作出前所未有的努力，我们相信他们是可以办到的。
• The replicas are made by using a thin film of fusible alloy on a stiffening platen .
  复制是用附着在加强托板上的可熔合金薄膜实现的。
• Temperature logs in bore holes down to several thousand metres are made by cable probes .
  几千米钻孔用的温度测井装置是用电览探头做的。
• Direct measurements of the distribution of molecular speeds have been made by a number of methods .
  分子速率的分布可以用几种方法来直接测定。
• Most important decisions in corporate life are made by individuals, not by committees .
  企业界大多数重大决策都是个人作出的，不是委员会作出的。