蜂窝芯子 meaning in Chinese

honeycomb core

Standard specification for nonmetallic honeycomb core for use in shelter panels
防护板用非金属蜂窝芯子标准规范
Stainless steel honeycomb core
不锈钢蜂窝芯子
Aerospace series - non - metallic materials - structural adhesives - test method - part 3 : peeling test metal - honeycomb core
航空航天系列.非金属材料.结构胶粘剂.试验方法.第3部分:金属蜂窝芯子剥离试验
Aerospace series - non - metallic materials - structural adhesives - test method - part 4 : metal - honeycomb core flatwise tensile test
航空航天系列.非金属材料.结构胶粘剂.试验方法.第4部分:金属蜂窝芯子平面拉伸试验