适用于深海船舶和内河航行船舶。指定安装在舱底吸入管末端的支柱箱的主要尺寸，以防止固体物质阻塞管道。机舱和竖井中的舱底吸入管不接受符合本国际标准的斯特鲁姆箱。

Applies to deep sea ships and inland navigation ships. Specifies the major dimensions of strum boxes installed at the end of bilge suction pipes to prevent pipe obstruction by solid matter. Strum boxes complying with this International Standard are not acceptable for bilge suction pipes in machinery spaces and shaft tunnels.