At low frequencies, such as 10 per sec., pulsation is sensed rather than vibration.在低频率(譬如每秒十次)时, 所感觉到的是脉冲而非振动.Objective Discuss sterilization effect of B - class pulsation table top vacuum pressure steam sterilizer for ...
At low frequencies, such as 10 per sec., pulsation is sensed rather than vibration.在低频率(譬如每秒十次)时, 所感觉到的是脉冲而非振动.If the roller pulsation, the pressure on paper as cause misregister.如果滚子径向跳不静, 则差纸的不张辛有不小有小,致使套印禁绝.Vortexing ...