roller-cone core bit
牙轮岩心钻头
热门查询
- refer to v. 查阅；提到 [网络] 参考；涉及；谈到
- occam n. 奥卡姆（姓氏）；奥克姆（品牌）
- nuance n. 细微差别
- Cormack [人名] [苏格兰人姓氏] 科马克盖尔语人名的英语形式，含义是“渡鸦+儿子”(raven+son); [地名] [加拿大] 科马克
- Antigua 安提瓜岛
- concussive adj. 震荡性的；给与冲击的
- repopulation n. 粒子数再增
- androgynous adj. [动][植] 雌雄同体的；[动][植] 雌雄同花的
- dreamworld n. 幻想世界；梦样世界
- dedicate vt. 致力；献身；题献
- floaty adj. 吃水浅的；能浮起的
- IL abbr. 内层（Inside Layer）；左内锋（Inside Left）；仪表着陆（Instrument Landing）；解释语言（Interpretative Language）
- disbanded vi. 解散 vt. 解散；遣散
- eutrophication n. 富营养化；超营养作用
- dispenser n. 药剂师；施与者；分配者；自动售货机
- trumpery n. 中看不中用的东西；废话；废物 adj. 无用的；虚有其表的
- liberalization n. 自由化；自由主义化；放宽限制
- cog n. 钝齿；雄榫 vi. 以雄榫连接；一致，吻合；掷骰子时作弊，诈骗 vt. 给…装配齿轮；以雄榫连接
- ECG abbr. 心电图（Electrocardiograph）；电解磨削（Electro-Chemical Grinding）
- lurking n. （新用户的）“潜伏”（在USENET上作为旁观者，不参加讨论）
考试词汇表
- polisher with microprocessor
- political economic geography
- political representativeness
- political self-determination
- political structure of state
- politics of economic decline
- politz and simmons technique
- pollaczek-khintchine formula
- pollen tube growth promoters
- polluted sea water corrosion
- pollution control management
- pollution control regulation
- pollution control technology
- pollution hazard of chemical
- pollution layer conductivity
- pollution monitoring network
- pollution of the environment
- pollution organism indicator
- pollution sources monitoring
- pollution-free energy source
