“棉纤维”造句
2024年04月15日 08:05:58
棉纤维的最内层组织叫中腔.
The innermost region of cotton is called lumen.
光学显微镜还可以用来研究
棉纤维的次生层.
Light microscopy has also been useful in studies on the secondary wall of the cotton fiber.
以
棉纤维为原料,合成了一种新型推进剂用含能黏合剂纤维素醚硝酸酯.
Cellulose ether nitrate as novel energetic adhesive for solid propellant was synthesized.