Petroleum engineers plan and manage the extraction of oil.石油工程师规划并管理石油的提炼。The purpose of oil refinery is to refine crude petroleum.炼油厂的主要工作是提炼原油.They refined crude oil into various petroleum products.他们将原油提炼成各种石油产品....
They refined crude oil into various petroleum products.他们将原油提炼成各种石油产品.ABout 90 % of the waxes in commerce are recovered by dewaxing petroleum.工业用蜡中约有90%是由石油中回收的.The petroleum exploration geologist working with subsurface...
潜水员下潜到超过危险线的深水中去了.The diver went into the deep water beyond the danger limit.为了下潜,里边还有个密封小水槽―负槽.For diving there's small sealed tank inside, the negative tank.潜水艇的下潜速度非常快.Submarine can submerge very quickly....
Azerbaijan has been the odd man out, the one republic not to hold democratic elections...阿塞拜疆没有举行民主选举，是这些共和国中的异类。The picture shows this company's drilling platform in Azerbaijan K & K oil field.图为该公司在阿塞拜疆K -K 油田的钻井平...
Laser beams may cauterize and heal ulcers.激光束可以烧灼和愈合溃疡.Lasers cauterize incisions , reducing bleeding and infection, sealing off nerve endings, and minimizing postoperative pain.激光可以麻痹伤口, 减少流血和感染, 封闭神经末梢, 将术后痛苦降低至最小....
The two varieties intergrade over a narrow transition zone.这两个变种在较窄的过渡地带有中间类型.The equipments are RAMS 3000 intergrade control and display system for all weather & low altitude flight.设备有用于全天候和贴地飞行的 RAMS3000 综合控制与显示系统....
目的探讨海带提取物抗脂质过氧化和降血脂及血液粘度的作用.Objective To study the effect of laminaria japonica - extract ( LJE ) on antiperoxidation and hemorheology.抗脂质过氧化作用, 提高SOD活性、降低LPO含量.Resist lipidperoxidation. Increase the activity of SOD and ...