arm phenomenon的意思|示意

The ordinary spherical seal method is used in hydraulic swing arm, but its practise proves that the phenomenon of permeating and leaking oil often occur.

目前使用的液压推靠器中普遍采用了球形密封方法，实践证明该方法常有渗、漏油现象发生。

At the same time, this approach asks not that we become remote arm-chair theorists but that we become fuller scholars by growing closer to the phenomenon itself.

与此同时，“导入型学者”要求的不是我们成为一个呆在书房里的理论家，而是成为一下贴近实际的博学学者。