钢质小型舱口盖2[Small steel hatch cover]

钢质小型舱口盖1[Small steel hatch cover]

鹅颈式通风筒A型[Gooseneck ventilator type A]

导链滚轮[Guide roller]

船用油舱盖[Marine oil hatch cover]

船用人孔盖[Ship man Kong Gai]

P1型可移动弹性吊架[P1 type movable elastic hanger]