.sb_doct_txt{color:#4007a2;font-size:11px;line-height:21px;margin-right:3px;vertical-align:super}.b_dark .sb_doct_txt{color:#82c7ff}mqhose.com[PDF]年产1.8万吨 PVC软管生产工艺流程说明/PVC HOSE Proces2023年6月15日 · 螺杆加温塑化根据软管使用环境挤出不同硬度的颗粒The screw is heated and plasticized to extrude particles with different hardness according to the environment in which 更多内容请查看https://mqhose.com/uploads/PVC%E8%BD%AF%E7%AE%A1%E7%94%9F%E4%BA%A7%E5%B7%A5%E8%89%BA.pdf