另一头连接放射线治疗仪，通过管子直接对直肠内的癌组织施用放射线。

The other end is then attached to a radiotherapy machine and radiation is administered, through the tube, directly into the cancer tissue in the rectum.

youdao

大体上如果我们想象桶和管子，连接A桶和B桶的管子很细，所以液体从A滴入，然后我们有很粗的管子连接B和。

So basically if we think of buckets and pipes, that's a very thin pipe connecting the bucket for A and B, B so we drip from A to B, C then we have this very fat pipe connecting B and C.

youdao

找些结实的管子或者杆子，连接头，平衡底座，就可以组装自己的简易稳定支架，从背心式到手持式，可以做出不同形式。

Using solid pipes or rods, at-joint, and a counterbalancing weight, you can assemble your own poor-man's copy -which can vary form the gimbal arm-and-vest variety to the side-handle version.

youdao