Reference-material weighting method is used in studying effect of ultrasonic washing through a metal net.

利用比较称重法研究了有金属网存在时超声水槽超声效果的差异。

youdao

Reference-material weighting method is used in studying effect of ultrasonic washing through a metal net.

利用比较称重法研究了有金属网存在时超声水槽超声效果的差异。

youdao