顶头,plug
1)plug[英][pl?ɡ][美][pl?g]顶头
1.Determination of Smoothing Zone Conical Angle of Rotary Piercing Plug;斜轧穿孔顶头平整段锥角的选择
2.Research and Application of Innovated M2 High Speed Steel Plug;改进型M2高速钢顶头的研究和应用
3.The FEM simulation software of DEFORM was used to simulate the temperature distribution of plug for Diese piercer during cross rolling.应用DEFORM三维有限元数值模拟软件对狄舍尔穿孔机热轧穿孔过程中的顶头进行了温度场数值模拟,通过模拟和实测分析了顶头开裂、粘钢、塌鼻等失效原因。
英文短句/例句

1.Let's go from the top of the page.让我们从这页顶头开始。
2.Four trees were to be seen at its extremity.在它的顶头有四棵树。
3.The cinema is at the bottom of the street.电影院在街的顶头
4.Please cut the top fairly short.请把头顶的头发剪短。
5.Starting from the top of your head visualize your crown chakra opening.从头顶开始想象你头顶脉轮开启。
6.Of or relating to the vertex of the head.头颅顶的属于头顶的或与其相关的
7.His hair's/He's getting rather thin on top, ie He is starting to go bald.他渐渐歇顶了(他头顶的头发逐渐稀少).
8.The head, especially the top of the head where hair grows.头部头部,特指头顶上长头发的部位
9.The Conghui point as the Yang peak and the Baihui point as the Yin peak.(劲)虚灵:头上虚灵顶,囱会穴为阳顶,百会穴为阴顶。
10.The top part of the piston is the head, or crown.活塞的顶部是活塞头或者活塞顶。
11.To hit or push something with the head or horns.顶撞,冲撞用头或角推顶某物
12.Heart within, and God o'erhead!胸中有红心,头顶有上苍!
13.On her head she was carrying a large pail of milk.她头上顶着一大桶牛奶。
14.Thunder rolled just above his head.雷就在他头顶上轰响。
15.A number of birds are circling overhead.很多鸟在头顶上空盘旋。
16.A plane hummed overhead.一架飞机在头顶嗡嗡响。
17.A plane flew overhead.一架飞机从头顶上飞过。
18.the part of a hat covering the crown of the head.帽子中盖住头顶的部分。
相关短句/例句

Piercing plug顶头
1.The design method of roll and piercing plug for 50 three roll combined piercing and rolling mill and the manner of laying down operating schedule were detailed.本文详细叙述了Φ50 三辊联合穿轧机的轧辊及顶头的设计方法、穿轧无缝钢管的轧制表制定方法。
3)piercing heads顶头
1.Some parameters of the piercing heads and piercing force are given by using UBE method.顶头形状设计是压力穿孔机理论研究的重要内容。
4)vertex cranii头顶
5)vertex[英]['v?:teks][美]['v?t?ks]顶;头顶
6)turning by pushing the bow顶头掉头
延伸阅读

顶头顶头plug d ingtou顶头(P hig)热乳无缝管时穿入管体内部与札棍一起使管材成形用的工具。工作时它和轧辊等工具共同构成环形孔型,且轴向固定,用于热轧管机组斜轧<田-嘎篡鬓掣‘赶曰~ 耸月一歌珍田一 各种形状的顶头 a一穿孔机顶头,西一内水冷穿孔机顶头. ‘一均整机顶头.己一自动轧管机顶头; e一二次延伸机顶头穿孔(见管坯穿孔)、二次延伸、自动轧管机轧管和管材均整。常用的顶头形状见图。由于顶头是在管内参与扎制金属的工具,承受着很大的热负荷(如穿孔机顶头局部温度可达1300℃)和很大的力负荷(顶头体积小,单位压力很大)。顶头在高温高压作用下很容易出现严重磨损、压裂、形状畸变等,从而恶化管子质量。 提高顶头寿命和耐磨性的措施是:(l)采用水冷。在轧制过程中进行外水冷或内水冷(见图b);(2)选用合理的材质,既有高耐磨性和高强度,又有耐急冷急热性,(3)设计合理的形状;(4)采用合理的热处理制度,既保证材质有一定的组织和性能,又使顶头表面形成一层致密的氧化膜,以利于提高顶头的耐磨性。 (李连诗)