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preforming 英pri:'fɔ:miŋ美pri:'fɔ:miŋ COCA¹⁸⁹³²⁹BNC²³⁶²¹³⁺¹ 基本英英记法Thesaurus例句 预成型,压片原型preform的现在分词 动词 preform: form into a shape resembling the final, desired oneform or shape beforehand or determine the shape of beforehandpreform-ing动名词⇒预成型;压片as in.destine 同义词 doom,intendallot,appoint,assign,consecrate,decide,decree,dedicate,design,determine,devote,earmark,fate,foreordain,predestine,preordain,purpose,reservedoom to,mark out 反义词 hesitate,keep,misuse,use,wasteas in.determine 同义词 elect,establish,fix,resolvedestine,doom,fate,finger,foreordain,predestine,predetermine,preordain,purpose,settlemake up mind 反义词 destroy,ignore,unsettlebegin,doubt,hesitate,miss,overlook,start,waveras in.foreordain 同义词 destine,foredoom,foreshadow,foretell,prearrange,predestine,predetermine,preordain,reservedestinate destineverb predetermine, ordain allot,appoint,assign,consecrate,decide,decree,dedicate,design,determine,devote,doom,doom to,earmark,fate,foreordain,intend,mark out,predestine,preform,preordain,purpose,reserve destinesverb predetermine, ordain allots,appoints,assigns,consecrates,decides,decrees,dedicates,designs,determines,devotes,doom to,dooms,earmarks,fates,foreordains,intends,marks out,predestines,preforms,preordains,purposes,reserves determineverb choose, decide destine,doom,elect,establish,fate,finger,fix,foreordain,make up mind,predestine,predetermine,preform,preordain,purpose,resolve,settle determinesverb choose, decide actuates,arbitrates,calls the shots,cinches,clinches,completes,disposes,drives,ends,figures,finishes,fix upon,halts,impels,inclines,induces,moves,nails down,opts,ordains,persuades,pins down,predisposes,regulates,resolves,rules,settles,takes a decision,taps,terminates,ultimates,winds up,wraps up foreordainverb doom, fate destinate,destine,foredoom,foreshadow,foretell,prearrange,predestine,predetermine,preform,preordain,reserve In order to provide basis for predicting the micro structures and performance of forging magnesium alloy and designing preforming stock's structure. 为分析和预测镁合金模压变形组织、性能演化规律以及进行预成形铸坯结构设计提供了依据。 fabiao The article has introduced the cross wedge rolling preforming technology and its die design. 介绍了楔横轧制坯工艺及其模具设计。 cnki After perfecting the structure and function of the system the preforming process and die structure are systemically and widely studied. 本论文在完善系统结构和功能的基础上,对齿轮坯闭式模锻中的预锻工艺及模具结构设计做了系统深入的研究。 zidian8 Discussed are the main parameters of time and temperature during preforming and molding in producing expanded polystyreneEPS plastics using heat air method. 利用热空气法生产聚苯乙烯泡沫塑料,探讨了预发泡和模压过程中的主要参数。 cnki In addition, the preforming and finish-forging also are studied on the physical simulation experiment, which verify the correctness of numerical simulation and the feasibility of the technology. 本文还进行了物理模拟实验研究,验证了数值模拟结果的正确性和该工艺过程的可行性。 cnki Machining center is one type of machine tools having high automation and preforming more operations. But it is difficult to bring the advantage of machining center into play with traditional fixture. 加工中心机床是机床中自动化程度较高、工序较为集中的机床之一,应用传统的夹具使加工中心的优越性很难发挥。 chemyq The effects of preforming duration, preforming pressure, extrusion die's geometry size and content of lubricant on the extrudate's tensile strength were studied. 研究了预成型时间和压力、挤出模具几何尺寸、助挤剂含量等对挤出物强度的影响。 cnki The component has been manufactured successfully after selecting moulds, preforming process and autoclave moulding process based on the requirements of design. 通过对模具方案的确定,选择预成形工艺以及对热压罐成形工艺参数进行合理调整,制造出符合设计要求的试验件。 chemyq |