immersed body meaning in Chinese

船体水下部分
浸水体
水下物体

Paints and varnishes - determination of density - immersed body plummet method
涂料和清漆.密度的测定.潜体法
Methods of test for paints . determination of density by the immersed body plummet method
涂料的试验方法.第a20部分：用浸体
Paints and varnishes - determination of density - part 2 : immersed body plummet method
涂料和清漆.密度的测定.第2部分:潜体
Iso 28 paints and varnishes - determination of density - part 2 : immersed body plummet method iso 2811 - 2 : 1997 ; german version en iso 2811 - 2 : 2001
涂料和清漆.密度的测定.第2部分:潜体法