【纺织；造纸】皮圈牵伸系统（皮圈牵伸系统、皮圈牵伸机构）

apron

apron

apron (impervious blanket, waterproof blanket)

apron

apron drafting system (apron drawing mechanism, tape drawing mechanism)

apron Hottentot

apron cradle， drafting arrangement，

apron