钢绞线

2500双主动牵引，倾斜的牵引，能保证绞合后的电缆直线运动。

stranded wire

double stranded RNA, dsRNA

stranded

stranded cable

dsRNAs,Double-Double-stranded RNAs

anti-dsDNA antibody, anti-double-stranded DNA antibody

single stranded RNA\nssRNA\n生化

SALVAGING of stranded or sunken vessels