绞线机

central line

anocutaneous line【解剖】;dentate line【解剖】;linea anocutanea【解剖】

steam tracing line

Baillarger's line

line jack

shielded line【电】;shielded wire【电】;shielding line【电】

prospecting line survey【测】 地质

off-line batch processing system【计】