双层合金镀层
double-layered alloy coating
双层辉光等离子表面合金化
double glow plasma surface alloying
2RE69/Zr702合金双金属管
urea grade tube(2RE69+Zr702
高锡铝合金双金属带
bimetal strip from tin-aluminium alloy
单面涂层双层纸板
one-side coated duplex board
复合双层地基
composite ground with double soil strata
交换耦合双层膜
exchange-coupling bilayer
ECDL
矩形分层双金属板
Bimetal laminate with symmetrical or asymmetrical rectangular delamination
生铀层双层结构
Uranium-bearing double—layer structure
双层金属
display registerdouble layer metal
DLdouble layer metal
双层金属单容罐
Double-layer-metal single-volume tank
双层金属化
two level metallization
double level metallization
doublelevel metalization