轨道电磁炮的制作教程:含铅量用英文怎么翻译

来源:百度文库 编辑:高考问答 时间:2024/04/29 03:17:53
想知道陶瓷的花纸颜料含铅量是否超标,请问“含铅量”怎么翻译呢

Measure leadedly
the quantity of lead

Lead content

lead contents

Lead

lead content

Lead