hollow-core conductor  中空线芯

expanded hollow conductor  扩径空心导线

falf round stiffener with hollow core  半圆空心加强材

GBF Cast-in-place concrete honey-comb core hollow-ribbed floor  GBF蜂巢芯密肋楼盖

Hollow Conductor  空心导线; 空心导体

HOLLOW CORE  空心

hollow core blower  空心砂心吹制机

hollow core coaxial Ge Li detector  空心同轴锗锂探测器

hollow core copper pipe  空芯铜管

hollow core flush door  空心平面门; 空心门

hollow core optical fiber  空心光纤

hollow core photonic crystal fiber  空芯光子晶体光纤

hollow core shaft  空心轴

hollow core transformer  空心互感器

hollow-core and non-beam slab  空心无粱楼盖

Hollow-core Fiber  空芯光纤; 空心光纤

hollow-core photonic bandgap fiber  空芯光子带隙光纤

Hollow-core Photonic Crystal Fiber  空芯光子晶体光纤

Hollow-core Photonic Crystal Fibers  空芯光子晶体光纤