单词nonindustrial
This section includes the nonindustrial preparation, purification, and reactions of inorganic substances: elements(including carbon);
这一章节涵盖了无机物的非工业制备、提纯、及反应：元素（包含碳）；
Nonindustrial photoelectric switches for lighting control
照明控制用非工业光电开关
A Standard for Nonindustrial Photoelectric Switches for Lighting Control
用于灯光控制的非工业光电开关标准