double saw复齿锯
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double pipe heat exchanger套管换热器
double isotope scintigrphy双同位素闪烁成(显)像(术)
double leaf bascule bridge双翼式开合桥
double temperature freezer双温冰箱
double helical gear planer人字齿轮刨床
double drawn yak tail hair双齐牦牛尾毛
double quantitative bunker双定量仓
Double-matrix RAS method双矩阵RAS法