a pin of coal wall

 
       
  • 煤壁打钢针

a pin of coal wall的用法和样例:

例句

  1. A pin in the print head of a computer printer.
    撞针计算机打印机的印刷头上的撞针
  2. A pin used in some games of bowling.
    木瓶用在某些保龄球运动中的木瓶
  3. He put a shovel of coal on to the fire.
    他往火炉里加了一铲煤。
  4. The paper carefully analyzes bolt supporting system, and measures the parameters of coal wall rock in Fuxin diggings.
    本文对锚杆支护理论进行了系统分析,并对阜新矿区煤巷围岩的参数进行了实验测定。
  5. We had a big delivery of coal today.
    今天我们收到大批订购的煤。

a pin of coal wall的海词问答与网友补充:

提问补充

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临近单词

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