端粒酶，是一种催化延长端粒末端的反向转录酶。
Telomerase is a kind of ERT which causes catalysis and prolong the end of telomere.
可换向进料导向机构和通过行程开关自动改变电机的转向，从而实现转子正反向工作，大大延长易损件的使用寿命；
Reversible rotor extends a much longer service life of wearing parts due to the reversible feed guiding mechanism and the automatic changing of motor rotation direction by dint of limited switches.
应用推荐