Heat treatment for heavy pump case and pattern plate 大型泵壳和模板的热处理
Single sided pattern plate 金属模或压铸工具用使命模型
Reversible pattern plate 可翻转模型板
Flat products of steel - hot rolled patterned plate - dimensions , mass , tolerances on dimensions , shape and mass 扁平钢轧材.热轧花纹钢板.尺寸,重量,尺寸偏差,形状和
So called positive contrasts even if be pattern plate with purpose extract , negative contrasts is with empty carrier ( carry la ban ) for pattern plate 所谓的阳性对照就是以目的片段为模板,阴性对照是以空载体(挑蓝斑)为模板。