So here, again, is our simplest oscillating system: a block and spring.
因此，在这里，扔是我们最简单的振动系统：一个物块和弹簧。
2
It includes: the out oscillating flow tube, the inner oscillating flow tube, the thermal insulating block cover and the glass vacuum tube.
包括：外层振荡流热管、内层振荡流热管，保温堵盖、玻璃真空管。
3
The central lines of the glide block and the piston rod can automatically overlapped by the auto adjustment of the oscillating bearing so as to make the running of the glide block stable and flexible.