etching chemical造句

例句与造句

1. Chemical milling is an example of a specialty process that removes excess material by the use of etching chemicals and masking chemicals.
2. By contrast, in the chemical etch process, the quality of a circuit board depends on the accuracy and / or quality of the photomasking and the state of the etching chemicals.
3. "' Chemical milling "'or "'industrial etching "'is the subtractive manufacturing process of using baths of temperature-regulated etching chemicals to remove material to create an object with the desired shape.
4. It's difficult to find etching chemical in a sentence. 用etching chemical造句挺难的