X线增感屏
X-ray intensifying screens
比较式天线增益量测
gain-comparison antenna measurement
除铁增白
Raising whiteness by removal of iron
Iron removing
磁振子谱线增宽
broadening in the magnon linewidth
涤纶荧光增白剂
fluorescent whitening agent for polyester fibers
涤纶用荧光增白剂
fluorescent brightener for polyester fiber
涤纶增白技术
technology for brightening polyester fibre
地热线增温
ground electricity-heated