D301A型自动缫丝机
automatic silk reeling machine
D301B型自动缫丝机
automatic silk reeling machine D301B
SFD507A型自动缫丝机
automatic silk reeling machine SFD507A
ZD721型自动缫丝机
automatic reeling machine
成套缫丝设备
complete silk reeling equipment
定粒缫丝
reeling with fixed number of cocoons
定纤式自动缫丝机
automatic reeling machine with fixed size
缫丝废水
Reeling wastewater
filature wastewater
waste water in silk mill
reel silk scrap wastewater