piston-non-alfin 活塞非石油 双语例句 1. Let's get the lathe to turn the new piston.咱们用车床车[加工]新的活塞吧.2. They use a piston engine instead.他们改用活塞发动机.3. Tell the foundry to cast another piston.告诉铸铁间再铸一只活塞.4. The piston slides noiselessly up and...
注意本情况下-ing还有以被动语态出现的形式(见例句2),这时句中主语就是行为对象。-ing作状语时,多半有逗号隔开,但有例外(见上面第5,8句),故需逻辑判断。E. –ing(动名词)作介词宾语用:1. We use this tool for tightening bolts. 我们用这工具来旋紧螺栓。2. Before starting the engine you should ...
Step 2 Room Step 3 Room Step 4 Room Step 5 Room Electrical and Mechanical Engineering Automotive sheet metal module II Automobile Engine Module Motor vehicle module Comprehensive vehicle maintenance module II Automotive sheet metal of a module Locomotive chassis modules Circuit module motor ...
but they can be powered by people if appropriately set up. Many historians of technology consider that the true machine tools were born when direct human involvement was removed from the shaping or stamping process of the different kinds of tools. The earliest lathe with direct mechani...
engine works发动机厂engineering works机器制造厂engineering repair works维修工厂enquiry based work调查研究工作erecting work安装工作erection work安装工作...lathe work车工工作layout work设计设计图案划线工lead covered wiring work铅包线配线工程lexicographic work词汇作业line work线性操作Liturgical works宗教祈祷书...
1 CA6140车床后托架的加工工艺设计 3 1.1 CA6140车床后托架的结构特点和技术要求 3 1.2 CA6140车床后托架的材料、毛坯和热处理 3 1.2.1 毛坯材料及热处理 3 1.2.2 毛坯的结构确定 4 1.3 工艺过程设计中应考虑的主要问题 4 1.3.1 加工方法选择的原则 4 1.3.2 加工阶段的划分 4 1....
瓦特发明了蒸气机,使得车床可藉由蒸气产生动力用来驱动车床运 转,此时 车床的动力是集中一处,再藉由皮带与齿轮的传递分散到工厂各处的车床, 20 世纪初拥有独立动力源的动力车床 (Engine Lathe) 终于被开发 ( 见图三 ) ,也将车床带到新的领域。此期间拜福特公司大量生产汽车所赐,许多汽车零件必须以车床加工,为了...
unliketheblacksmithwholeftthesurfacemuchasitcamefromforge.LockmakingrequiredtheskillscommontotheBlacksmithpluslatheturning,springtempering,rivetandscrewmaking,...(periodbeginningaboutthemiddleoftheeighteenthcenturyduringwhichhumansbegantousesteamenginesasamajorsourceofpower)bymakingpossibletheinterconnectionofcanalsan...
船员面试的简单问题1. Nice to meet you! (很高兴见到你)It’s very nice to meet you!（非常高兴见到你）Glad to meet you!2. What’s your name?（你叫什么名字）Could you tell me what your name is?（能告诉我你叫什么名子吗？）答：I am XXX. 或 My name is XXX. Where are...
1、含义不同 alter 指轻微的改变，强调基本上保持原物、原状的情况下所进行的部分改变。change 指任何变化，,完全改变，,强调与原先的情况有明显的不同。2、词性不同 change 可作名词、及物动词、不及物动词。alter可作及物动词、不及物动词。3、读音不同 change 英 [tʃeɪnd&#...