【电学】控速器，电话自动拨号盘设置

无级调速电机调速。整机同步运转。即有提速快、生产率高等特点。

More haste and less speed

pedestal change-speed gear of the diving key type

high speed cine theodolite

STROBOSCOPE used for measuring angular speed

speed of response

maximum permissible indicated speed【航】

high speed direct readout latexometer

Granulating drier with high-speed mixing