mould mark

常见例句

The research showed that the structure of weld mark was connected with the material formulation, die mould of extrusion machine and parameters of processing technology.
研究发现，熔接痕的结构与材料配方、挤出机机头模具及加工工艺参数均有关系。
We propose a countermeasure:after confirming the true Bungarus multicinctus, inserting a falsepreventing pill or mark into its oral cavity and packing it in mould pressing plastic package.
重点提出了对金钱白花蛇经鉴定后，在蛇口内嵌入防伪药丸或防伪标志，采用硬质塑膜压新包装等真伪防范措施。
Reading is not only a mark of a person's self-cultivation , but also an important way for people to mould themselves, perfect their characters, elevate their minds, and gain wisdom .
读书不仅是一个人修养的标志，还是人类塑造自我，完善人格，提升思想和获得智慧的重要途径。