货物固定方法：使用绑扎铁链和绑扎带

六条20吨拉力的绑扎铁链延与横船方向夹角45-90度将靠近舱壁的货物固定在了D-RING上。同时另一侧与货物横向直连六条相同规格的绑扎带。

Translation: Six '20-ton tensile strength iron chains are used to secure the cargo near the bulkhead to the D-RING at an angle of 45-90 degrees to the transverse direction of the ship. At the same time, the other side is connected to the cargo horizontally with six straps of the same specifications.