Some practical problems arising from the measuring process of the silver-films of vacuum flasks are discussed.

探讨了若干实际测量保温瓶瓶胆银层厚度时出现的问题。

youdao

Some practical problems arising from the measuring process of the silver-films of vacuum flasks are discussed.

探讨了若干实际测量保温瓶瓶胆银层厚度时出现的问题。

youdao