hf是什么意思?

abbr.
half 半,hard firm 坚硬(铅笔芯),hard finish(ed) 缓硬的,hard-faced 表面硬化的

相关问题
  • hf怎么读?

    hf的音标:...
  • hf造句

    Reactions in liquid HF are known that illustrate also amphoteric behavior, solvolysis, or complex formation.已知在液态HF中,也能说明两性行为溶剂分解或络合物形成作用的反应.The biggest increase was on the cheapest model, the CRX-HF. That car had a 1990...
  • hf造句

    The biggest increase was on the cheapest model, the CRX-HF. That car had a 1990 base price of $9,145.涨价最快的是最便宜的车型CRX-HF,那款车1990年的基价是9,145美元。Reactions in liquid HF are known that illustrate also amphoteric behavior, solvo...