Ⅰ. Tarihin Ci gaba naRuwan Ruwan Ruwa
1. The PN jerin dredging famfo da aka samar kafin 1980s, tare da girma dabam daga 1PN zuwa 10PN,
2. Bayan shekarun 1980.slurry famfodaga kasashen waje an gabatar da su: mun inganta jerin G (GH), waɗanda ake amfani da su a kan abin yankan tsotsa don yin famfo manyan barbashi na tsakuwa; AH jerin famfo da aka inganta don sludge sallama relay famfo; Ana amfani da famfunan slurry da za a iya zubar da su don lalatawa a cikin tashoshin jiragen ruwa da magudanar ruwa da kuma shimfidar kebul.
3. Bayan 2000, an gwada samfura huɗu, 250WN, 300WN, 450WN da 500WN da kyau a cikin "Shirin Jiragen Ruwa ɗari" na China.
4. Bayan 2005, nasarar aikace-aikacen manyan nau'ikan famfo na dredge da famfo mai matsa lamba tare da diamita sama da 600 ya haɓaka ƙira da kera famfunan dredge zuwa sabon matakin.
II . Tsari Hudu na Famfunan Juya
Tsarin 1
Tsarin 2
Tsarin 3
Tsarin 4
Lokacin aikawa: Janairu-26-2022