A minor crack appeared on the old ceramic vase.

老陶瓷花瓶上出现了一条细小裂纹。

The star cracks in macrostructure appear in some hypo-peritectic continuous cast alloy blooms and these cracks cannot be stuck completely by hot rolling reduction ratio,macroetching testing and SEM.

一些亚包合金钢连铸大方坯出现低倍星状裂纹,一定压缩比下经轧制仍不能完全消除这种低倍缺陷。

The dynamic equation of the transient response in a cracked rotor system was modelled, the numerical simulation solutions of the uncracked rotor and the cracked rotor were obtained.

摘要基于建立裂纹转子瞬态回应动力学模型，得到了有无裂纹转子数值仿真解。

Air hole, burnthrough, cooapse and welding crackle occurred in the fixed overhead weld for aluminium and aluminium alloy tubes, above all the small-size thin wall tube.

针对铝铝合金管,特别是小口径薄壁管固定口仰焊部位易出现气孔、烧穿、塌陷焊接热裂纹等问题,分析问题原因,从焊接工艺方面入手,提出一套消除气孔烧穿操作手法。

It holds that main causes promoting crack on martensite stainless steel are gross martensite and crystal boundary carburet and secondary phase distributed along crystal boundary.

文章认为，粗大马氏体组织、化物以沿分布“第二相”组织是促使马氏体不锈钢产生裂纹主要原因。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均焊缝根部应力集中处萌生，该处马氏体含量比较大，化物夹杂物较多，氢偏聚现象严重。

The color of the products is argent grey metallic shine, smooth, unknit. They mustn't be oxydic badly, lacking of sintering, over heating, delamination and cracking.

产品表面呈银灰色金属光泽、光滑、平整、不得有严重氧化现象，不得有欠烧、过熔、鼓泡、分层、裂纹等缺陷。

Model testing study is made on prefabricated spiral V-notch blasting, and hydromatic method is used to simulate the quasi-static process in blasting of explosive.

因此，研究螺旋切槽裂纹扩展以与螺旋角等关系，具有重要意义。

A reliable, feasible finite element analysis model for multi-pin-hole connected structure with multi-cracks was established with contact between pin and the conjunctional structure.

文中运用考虑销钉与结构板件间接触有限元分析方法，建立合理计算模型，为多孔多裂纹裂尖应力强度因子提供可靠、可行分析途径。

But in the couse of lathing and dawdling,the trouble of deformation,empyrosis and crack lf parts often appears which affects seriously the processing quality.

但磨削过程中,易出现变形、烧伤裂纹等问题,影响零件加工质量。

To describe the anisotropy of microdamage of the crust block, we use the damage tensor that is expressed in the fissure density.

为描述地壳块体微损伤各向异性，引入裂纹密度表示损伤张量形式。

Piezoresistivity of ECAC may involve proximity effect, microcrack and the staggered arrangements of conductive pass-ways due to shear strength of aggregates.

压敏产生原因是导电沥青混凝土试件压缩邻近效应、微裂纹和石料间剪切力使部分导电通路错位。

In this paper .bridge-indentation method is adopted to precrack in ceramic specimens, and the advantage as well as disadvantage are discussed.

本文首先对桥压法预制原生裂纹进行了研究,然后针对桥压法问题提出了一种简便而有效陶瓷材料原生裂纹预制方法——静态膨胀法。

A high K ratio method for fatigue precracking in welding position toughness specimen of thick steel plate was developed.

提出了预制厚钢板焊缝断裂韧度试样疲劳裂纹“高K比法”。

The feasibility of inner crack intercritieal heat treatmemt in hypoeutectoid steel was analysed in detail by metallurgical principle.

利用金属学原理,分析了亚共析钢内裂纹亚温愈合处理可行性。

Washed up from afar this crackle brown lip shell pendant hangs from chocolate coloured faux suedette.

来自远方震撼.充满裂纹棕色嘴唇贝壳,挂巧克力色人造麂皮链上.

It is higher anti-eroding, changeless, without crack, forms a complete set with zirconic given-diameter water outlet.

具有较高耐浸蚀性，与锆质定径水口配套使用，有不变形、无裂纹等优点。