source, light造句

Those purchasing businessmen come from different fields such as indoor lighting , outdoor lighting , electric light sources , lighting fittings and led
这些采购商涉及室内照明品、户外照明、电光源、配件、 led等多个产品领域。
Laboratory facilities for testing and / or calibration , including but not limited to energy sources , lighting and environmental conditions , shall be such as to facilitate correct performance of the tests and / or calibrations
1用于检测和(或)校准的实验室设施,包括但不限于能源、照明和环境条件,应有助于检测和(或)校准的正确实施
It's difficult to find source, light in a sentence. 用source, light造句挺难的