套管的弹性作用不仅不会堵塞阀门，还能够碎裂固化的石灰。

The flexing action of the sleeve not only unplugs the valve, but also breaks up the lime.

youdao

在相同的血管条件、相同的封管方法及近似药物使用的情况下，观察两组病人的静脉炎、套管堵塞、套管脱出以及留置时间。

Under the same condition of vessel, tuber sealing method and drug using, the occurrence of phlebitis, block and disengage of tuber, retain time were observed between the two groups.

youdao

在相同的血管条件、相同的封管方法及近似药物使用的情况下，观察两组病人的静脉炎、套管堵塞、套管脱出以及留置时间。

Under the same condition of vessel, tuber sealing method and drug using, the occurrence of phlebitis, block and disengage of tuber, retain time were observed between the two groups.

youdao