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- Analying the pipe punching hole each kind of form characteristic and the difficulty. 分析了管子冲孔工艺的各种形式特点及难点。
- pipe punching hole 管子冲孔
- This paper introduces the structure,design and principle of punching hole mould for discs in disc type separators. 主要阐述碟式分离机碟片冲模设计计算、结构特性以及工作原理。
- Process and Die Design of Punching Hole for Pipe 管子冲孔工艺及模具设计
- Small pieces of paper or cardboard generated by punching holes in paper tape or data cards. 孔屑在纸带或数据卡片上打孔所产生的小纸屑或硬纸片
- To replace the sprinklers, we could punch holes in the pipe with a hammer and nail and let water dribble out to the plants. 我们还可以在塑胶水管上，用榔头和钉子打些洞，就可以取代洒水器，而让水汩汩地润泽著农作物。
- Punch holes with a needle for inserting the winglets. 4.;在机翼后端钻孔用以固定副翼 4
- A keyboard-actuated punch that punches holes in a data medium. 一种由键盘操纵的穿孔设备，用以在数据载体上进行穿孔。同keyboardpunch。
- I want to punch a new hole in the belt. 我想在这条皮带上打一个新孔。
- This school punched holes in paper. 这所学校的试卷都打好了孔。
- Hanging automatic punching hole device 悬挂自动打孔装置
- A device that punches hole patterns in paper tape to represent characters for storage and / or transfer. 在纸带上穿孔,表示存储或传输的字符的一种机械装置。
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
- We are meeting here today precisely to punch holes in this paper tiger of theirs.Let us relentlessly combat these anti-Communist die-hards. 我们今天开大会，就要戳破他们的纸老虎，我们要坚决地反对反共顽固派。
- Water squirted out of a hole in the pipe. 水从水管的一个洞里喷射出来。
- A keyboard machine that is used to punch holes in cards or tapes for data-processing systems. 键盘穿孔机一种键盘机器，用于为处理信息系统而在卡片或磁带上打孔
- These burrs, due to the tendency to have pointed shapes, punch holes in and tear rubber protective clothing. 尖形的毛刺可能穿透并刺破橡胶保护物。
- Eyelet Small metal flanged ring clenched into a punched hole for reinforcement to prevent tearing. 用来紧压穿孔的细小绲边金属环。它的加强作用防止撕裂。
- So you start to punch holes in the paper windows and eventually you can see what is beyond. 所以你开始在窗户纸上抠孔，终于你可以看到那一边了。
- Eyelet: To prevent tearing small metal flanged ring was clenched into a punched hole for reinforcement. 鸡眼:用来紧压穿孔的细小绲边金属环。它的加强作用防止撕裂。
