放舰船凸缘的平的 束帆 索.Put the flat gasket on the vessel - flange.在袖的二个橡皮 - 戒指的束帆索提供水密 、 然而有柔性的关节.The two rubber - ring gaskets in the sleeve provide a watertight, yet flexible joint....
I went away to the country to recuperate.我去了乡下休养。Stay in the hospital for a few more days to recuperate.再住院几天,好好地恢复.He went to the country to recuperate.他去乡下养病去了....
Its main bridge - a huge concrete structure - now lies concertina ed on the riverbed.钢筋混凝土结构的主要桥梁,被扭扁坍塌在河床.Fanfold: Also called Accordion fold , Concertina fold , Over and back fold , Zigzag fold.扇形摺: 亦称风琴摺, 之字摺.High sto...