无档 meaning in Chinese

eell's anchor

Inland navigation vessels - studless anchor chain - cable lifter
内河航行船只.无档锚链.持链轮
Inland navigation vessels - studless anchor chain - cable lifter
内河航行船只.无档锚链.持链轮
Inland navigation vessels - studless anchor chain - round steel link chain
内河航行船舶.无档锚链.圆钢链
Inland navigation vessels - studless anchor chain - round steel link chain
内河航行船只.无档锚链.圆钢环节链
Detail specification for multi - contact circular electrical connectors for d . c . and low frequency applications - bayonet coupling non - barrier sealed , environment resistant with rear insertable , rear release , rear removable crimp contacts also barrier sealed with non - removable solder contact styles - full plus airframe fit assessment
直流和低频用多触点圆形电气连接器详细规范.带后可插入后释放后可拆卸压接触点的无档板密封耐环境影响及带不可拆卸钎焊触点的挡板密封卡口接头.全面附加机体配件评估