In the metals industry, hydrogen is used to prevent metals from tarnishing while

游客2024-01-04 49

问题 In the metals industry, hydrogen is used to prevent metals from tarnishing while undergoing______.

选项 A、treated by heat
B、heat treatments
C、by heat treatments
D、heat-treated

答案 B

解析

转载请注明原文地址:http://tihaiku.com/zcyy/3331739.html

相关试题推荐

随机试题

最新回复(0)

Carsblockingpathscouldpreventaccessby__________inanemergency.anambulanc