Gavage is forced feeding, usually through a gastric tube (a tube passed into the stomach through the mouth).

鼻饲通常是通过胃管被动进食。

From the first clarifier it is carried in pipes to a second and a third, and thence into close iron pans, through which tubes pass, filled with steam.

从第一个澄清器，它通过管道输送到第二个和第三个，然后进入封闭的铁锅，管道穿过这些铁锅，充满蒸汽。