a new nondestructive testing technology the principle amp; amp; amp; application of magnetic memory metal diagnostic instrument 用金屬磁記憶方法進行缺陷檢測
don't you see the frame ? its temple is made of memory metal, the end cover is made of the board of resin, and the quality is very nice 您看到這款鏡架嗎?它的腳腿是記憶金屬制的,腳套是樹脂板材做的,而且質(zhì)量非常好。
s : don't you see the frame ? its temple is made of memory metal, the end cover is made of the board of resin, and the quality is very nice 您看到這款鏡架嗎?它的腳腿是記憶金屬制的,腳套是樹脂板材做的,而且質(zhì)量非常好。
fittings dept . : the spectacle fittings has novel style and complete breed whose main material are brass, cupronickel, phosphor copper, nickel, mangansese alloy, aluminium magnesium alloy, stainless steel, memory metal and other kind of hardware goods fittings and so on 配件部:眼鏡配件款式新穎品種齊全,主要材質(zhì)有:黃銅、白銅、磷銅、鎳、錳合金、鋁鎂合金、不銹鋼、記憶金屬及其它各類五金制品配件等。