Words — 1 found
dīng jīng xiàng jiāo
ㄉㄧㄥ ㄐㄧㄥ ㄒㄧㄤˋ ㄐㄧㄠ
Simplified Traditional 丁腈橡胶 丁腈橡膠
  1. 1. nitrile rubber