他们来自硅胶管，其中作为测试阻尼器在这里。

They come from silicone tube which act as tester damper here.

youdao

方法新型泪道探通引流装置由两端金属探子及中间软性硅胶管组成。

Metallic probes were at each end, and a soft silicon tube was in between.

youdao

方法新型泪道探通引流装置由两端金属探子及中间软性硅胶管组成。

Metallic probes were at each end, and a soft silicon tube was in between.

youdao