secondary playing area的意思|示意
美 / /
英 / /
二级游乐区
secondary playing area的网络常见释义
次要竞赛区 ...room utilization factor(utilance))指事人情接收之流明光通量对灯具发射之光通量的比值87˙次要竞赛区(secondary playing area)指介于首要竞赛区及现实停滞物(如栅栏)间之地域88˙灯具掩蔽角(shielding angle(of aluminaire))指介于通过光源中间程度线及可被...
secondary playing area相关短语
1、 secondary y playing area 次要竞赛区