The umbilical cord can be tied with unwaxed dental floss, and cut on the far side of the time about two inches from the abdomen.The cut end should be painted with iodine to prevent infection.

脐带用消毒线系住，从距腹部3cm处剪断，断口需用碘酒消毒以防感染。

The effects of sintering parameters on the shear and bond strength of ceramet friction material were studied and its fracture morphology was observed and analyzed.

研究了烧结工艺参数对金属陶瓷摩擦料抗剪强度和金属陶瓷摩擦片结合强度影响,观察并了断口形貌。

Fracture motorbicycle piston was analysed by means of chemical composition analysis, hardness testing, metallographic examination, and the macro and micro-fractography analysis.

摘要采用化学成、度测定、金相检验以及断口宏、微观等方法，对断裂摩托车活塞进行了。

The feature of fracture morphology and microdefect has been evaluated and characterized for the rare earth-zirconium alloy.

对稀土锆合金断口微观缺陷形貌特征、微观断口形貌特征等进行了表征。