naphthalene series water reducers

英 美
  • 萘系减水剂
  • naphthalene n.萘球;卫生球;臭樟脑
  • reducers 还原剂
  • series n.(单复同)系列;丛书;连续
  • water n.水;海域;雨水;海水v.给...浇水;给...供水;加水稀释;充满眼泪;给...水喝