lubrication是什么意思？

In land animals, saliva contains mucus, and provides lubrication for food in the alimentary canal.陆上动物的唾液内有粘液, 并对消化道内的食物起着润滑作用.In metal lubrication two distinct regions are recognized: boundary and hydrodynamic.在金属的润滑作用中...

lubrication的音标：lubrication的英式发音音标为：[ˌlu:brɪ'keɪʃn]lubrication的美式发音音标为：[ˌlubrɪ'keʃən]...

Lubrication reduces noise and wear.润滑作用能减少噪音和磨损.We shall require more lubrication oil this month.这个月我们需要更多润滑油.Sludge can also clog oil passages and prevent normal engine lubrication.油泥还会阻塞油路,妨碍发动机的正常润滑工作....

quiet的一般过去时为：quieted...

n.制造业，工业adj.制造业的，制造的v.（大规模）制造( manufacture的现在分词 )，捏造，加工，粗制滥造（文学作品）...

heteropathy的音标：heteropathy的英式发音音标为：[ˌhetə'rɒpəθɪ]heteropathy的美式发音音标为：[ˌhetə'rɒpəθɪ]...

“填充”的近义词/同义词：添补, 填补, 加添, 增添, 增加, 弥补, 补充。...

n.古罗马历中3月，5月，7月，10月的第15日...

expectancy的音标：expectancy的英式发音音标为：[ɪk'spektənsi]expectancy的美式发音音标为：[ɪk'spɛktənsi]...

grease的复数形式为：greases...

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depend的近义词/同义词有：confide, trust, rely, hinge, trust, confide, rely。vi.depend的近义词（依靠;相信,信赖）：confide, trust, rely。depend的近义词（其他释义）：hinge, trust, confide, rely。...

n.太阳中心说...

介绍利用废金刚石中的钴生产七水硫酸钴的方法.The recovery technique of cobalt in waste diamond cutter is introduced.研究了氧气对除钴的影响,并试图采用亚硫酸钠来消除氧气的影响.The effect of the sodium sulfite concentration on cobalt removal was investigated.废旧锂离子电池中钴的含量较高....

Having an open , latticed, or porous structure . Used especially of bone.(解剖学)有一种网眼状的 、 格子状的或者多孔的结构.There's a Swatch store about to open under a latticed terrace.斯沃琪手表店即将在一间带有格子窗的建筑里开业.This thesis studied the force ...

Immediately below the fallopian tubes, the anterior and posterior peritoneal folds condense to form the mesosalpinx.输卵管内下方, 前后腹膜皱襞汇合形成输卵管系膜.Use: Used to wash, condense and whiten the pulp.用途: 适应于浆料的洗涤 、 浓缩和漂白.Condense fo...

“迷蒙”的英语可以翻译为：mist ...

introverts的音标：...