gas nitriding
气体氮化;气体渗氮
热门查询
- hepatitis n. 肝炎
- extraversion n. 外向性；外倾性
- tubing n. 管子；装管；管道系统 v. 把…装管；使成管状（tube的现在分词）
- scratched v. 抓；搔（scratch的过去式及过去分词） adj. 受抓损的；有刮痕
- persistently adv. 坚持地；固执地
- quicksand n. [水利] 流沙，危险状态
- daphne n. 达芙妮（女名）；瑞香
- Mather n. 马瑟（人名）
- cryogenic adj. 冷冻的（副词cryogenically）；低温学的；低温实验法的
- avoid vt. 避免；避开，躲避；消除
- nero n. 尼禄（古罗马暴君）
- periodontist n. 牙周病医师；牙周病学家
- victualler n. 食品供应者； 补给船
- lovastatin n. 洛伐他汀（一种降血脂药）
- lenticular adj. 透镜的；晶状体的；两面凸的；小扁豆似的
- windlass n. 绞盘，辘轳；卷扬机 vt. 用绞盘吊起
- administrator n. 管理人；行政官
- retiree n. （美）退休人员；歇业者
- kefir n. （俄）（由牛奶发酵而成的）克非尔
- wooden adj. 木制的；僵硬的，呆板的
考试词汇表
- selfservice instrument
- selfsustaining reactor
- selfsynchronizing code
- selinene hydrochloride
- sell at less than cost
- sell by inch of candle
- sell by public auction
- sell by the dozendozen
- sell like hot wildfire
- sell one's life dearly
- sell out the purchases
- sell sb down the river
- sell someone the dummy
- sell their life dearly
- sell what one produces
- sella turcica clinoids
- seller's usance credit
- seller's usual packing
- selling expense budget
- selling expenses audit
