a coal-saver

 
       
  • 节煤器

a coal-saver的用法和样例:

例句

  1. They are ventilating the sap of a coal mine.
    他们正在使煤矿坑道通风。
  2. A coal fell from the fire and burned the mat.
    一块煤炭从火中掉出来,烧坏了地席。
  3. A coal miner's work is not a bed of roses.
    煤矿工人的活计可不轻松。
  4. A coal miner's job is dirty and dangerous at best.
    即使是在最好的条件下,煤矿工人的工作也是又脏又危险的。
  5. There is a coal mine near my home town.
    我的家乡附近有一个煤矿。
  6. He is busy with proving up a coal deposit.
    他正忙于勘探煤层。

a coal-saver的海词问答与网友补充:

提问补充

a coal-saver的相关资料:

临近单词

目录
应用 附录 查词历史
    更多>>今日热词