They are usually carried out industrially by pack cementation or hot dip process.
目前工业上常用的渗铝方法有固体包装法和热浸法.
互联网摘选
Just when she was ready to dip into her savings, Greg hastened to her rescue.
正当她准备动用自己的存款时,格雷格赶来给她救了急。
《柯林斯高阶英汉双解学习词典》
I noticed little things, a dip of the head, a twitch in the shoulder.
我注意到了一些细节:头的往下一沉,肩膀的突然颤动。
《柯林斯高阶英汉双解学习词典》
Put the presents in the middle of the room so that everyone can dip in.
把礼物放在屋子中间,这样每个人都能分享到.
《简明英汉词典》
