preparation
【化学】异氰酸盐的准备【化学】异氰酸盐的制备
preparation of isocyanates
暂无补充释义。
相关词条
stretched preparation【组织】
preparation area
homogeneous liquid preparation
precompetition mental preparation
paper guiding in the preparation of duplicates with selective printers
preparation of originals for the photomechanical production of originals
feed preparation unit