查询词典 free cutting steel

Mainly produces Alpho lead-free welding line, lead-free welding rod, lead-free tin plasma, water-solubility tin plasma, performing tin (for hi-frequency welding), flux, detergent, stainless steel flux, CRC circuit board transparent protection varnish and detergent, KM automatic computer stripper, Yirong PCB leg cutting machine, pin moulding machine, paint remover for enamelled wire, etc.

各种规格爱法锡丝、锡条、锡浆。水溶性锡浆、预成型锡。各种用途爱法助焊剂、清洁剂、不锈钢助焊剂。CRC线路板透明保护漆和清洁剂，KM全自动电脑剥线机，亿荣PCB剪脚机、管脚成型机，漆包线去漆剂等。

Studies were made of the calculation of fractal dimension of transverse impact fracture surface, and of the correlation between impact toughness of steel and parameters of free-cutting phase by means of the developed fractal geometry model of crack propagation.

通过建立裂纹扩展的分形几何模型，计算了冲击断口的分形维数，研究了冲击韧性与易切削相参数的相关性。

In this dissertationa free-cutting unquenched/untempered mould steel for plastics was been developed with low cost.

但迄今为止非调质钢的研究与应用主要集中在强度、硬。。。

The composition of six experimental free-cutting unquenched/untempered mould steel for plastics was determined by simulated rolling.

本文研制了一种成本低，不经调质处理，锻、轧后空冷即可获得较好的强韧性的易切削非调质塑料模具钢。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。