其腹面口区具二环围口纤毛列；背面具一列背刚毛。
There are two circumoral ciliary rows on the buccal region and a dorsal row of bristles.
背上背一个同样的口袋，腰上围一条同样的绳子。
The same sack on their backs, the same rope around their loins.
目的探讨改良背驮式原位肝移植围术期血容量的变化及液体管理。
Objective To observe the changes of blood volume in patients undergoing piggyback orthotropic liver transplantation (OLT) and find a better way of liquid control.
其腹面口区具二环围口纤毛列及一口前纤毛列；背面具一列背刚毛；腹面纤毛列的数目可发生较大变动。
There are two circumoral ciliarvrows and a preoral ciliary row on the buccal region and a dorsal row of bristles.
其腹面口区具二环围口纤毛列及一口前纤毛列；背面具一列背刚毛；腹面纤毛列的数目可发生较大变动。
There are two circumoral ciliarvrows and a preoral ciliary row on the buccal region and a dorsal row of bristles.
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