librations造句
Four - pole with double distance, non -
librations, speed can be adjusted unlimited.
四 导柱 双行程升降 、 无振动, 进出速度无级调节.
Working table with stable in - and - out, non -
librations, speed can be adjusted unlimited.
工作台进出平稳 、 无振动, 进出速度无级调节.
Compared stress and
librations distortion of the first frequency and gained better beam.
通过结构的变形和一阶频率的振型研究比较,初步确定了较为合理的横梁结构.