Next, the embalmer makes another incision, this time under your ribcage, and inserts a metal suction tool called a trochar attached to a pump system into your chest cavity.

接下来，防腐师会做另一个切口， 这次是在您的胸腔下方，并将连接到泵系统的称为套管针的金属抽吸工具插入您的胸腔。

It could also potentially become  an issue if there's a problem with the aircraft's fuel pump system. As the  fuel source is located below the engines, the tail-mounted engines cannot  make use of gravity to self-feed.

如果飞机的燃油泵系统出现问题，也可能成为问题。由于燃料源位于发动机下方，尾部安装的发动机无法利用重力自行供油。