- die semiangle
- 拉模半圆锥角
English-Chinese metallurgy dictionary. 2014.
die semiangle
Look at other dictionaries:
Transmission electron microscopy — A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… … Wikipedia
