Ferrolum
包铅钢板, 覆铅钢板(化工设备用)
🗣️ 情景例句
The only-child generation brings about many new social problems.
独生子女一代带来了许多新的社会问题。
Yes, it's not like what the radio said at all.
是的，一点也不像收音机里说的那样。
Moreover, as soon as new knowledge is acquired, it is now turned to practical account.
而且，新知识一旦获得，便得到实际应用。