They also placed a small ring inside the water tank that whirled more rapidly than the cylinder and created a miniature lab version of the jet stream.
他们在水箱内放置了一个比汽缸速度快的环，制造微型的激流。
2
In order not to make nickel ring up tank, outside groove diameter ratio inside groove is big, this on the structure solved the nickel ring grooving problem.
为了不使镍环起槽，外沟直径比内沟大，这在结构上解决了镍环起槽问题。
3
By means of annulus platform located above the bottom ring wall, the tank inverted construction can be implemented expediently.