PURPOSE: To prevent the danger of an operator due to the approach to a machine and to simplify a judging work. ;CONSTITUTION: A roll-bending mechanism 4 for an expander roll 2 is operated by operation means 17,18 according to the operation command. The creasing state of paper passed throug...
#李上渊[超话]# 🦌#一眼万年李上渊# [📅]210201 checkin • 𐂂 ✨ | 🦌 •