back stopping

 
  • 上向梯段回采
new

back stopping的英文翻译是什么意思,词典释义与在线翻译:

英英释义

名词 backstop:
  1. (baseball) the person who plays the position of catcher

  2. (baseball) a fence or screen (as behind home plate) to prevent the ball from traveling out of the playing field

  3. a precaution in case of an emergency

back stopping的相关资料:

临近单词

今日热词
目录 附录 查词历史