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....
Methods Eyesight survey, eyeground check and questionnaire.方法视力普查 、 眼底检查与问卷调查相结合.Objective To study the Influence of personality on propofol resisting anxiety in eyeground operation.目的研究人格中情绪因素对眼底手术中异丙酚抗焦虑作用的影响.Worried t...
The wind was whispering in the pines.风在松林中沙沙作响。They were whispering endearments to each other.他们彼此低声倾吐着爱慕之情。All they heard was the wind whispering through the treetops.他们听到的只有风吹过树梢的飒飒声。He could hear whispering and scuffl...
These marks didn't stop rustlers, or cattle thieves.那些标志不能阻止偷牛贼。Rather than the cattle rustlers, the villagers are being attacked.村民们正遭受袭击, 偷牛贼却能安然无事.Bang! Bang! The rustlers were on their horses now . They were get...