| 释义 |
back board短语¹⁸⁰⁰⁹⁸⁺¹
基本英英例句
背板
名词 backboard:
a raised vertical board with basket attached; used to play basketballa board used to support the back of someone or something The influence of overflow back pressure on the pressure drop ratio was a saddle back board value.
溢流背压对压降比的影响存在一“门槛值”。 cnki |