Dab tsi yog cov ntaub ntawv nyoos rau lub ntsej muag nrov plig plawg, tus nqi tau xam tau li cas?
Hais txog cov nrov plig plawg disc cov ntaub ntawv raw: daim ntaub, fiberglass rov qab, thiab kua nplaum.
Tus nqi them nqi:
Cia peb coj ib qho 4 '' nrov plig plawg disc ua piv txwv, thiab cov ntaub ntawv rawTus nqi yog ua raws 2017, tsuas yog rau kev siv, tus nqi lag luam tiag tiag yuav raug txo kom tsawg.
Tus 4 '' Nrov Nrov Nrov Zov Khoom Tshwj Xeeb:
Inch: 100mm,
CENTER REGE COB: 16mm
Lub inch inch: 90 hli
Qhov Flaps loj: 72pcs, dav -22 hli, ntev {2} mm
Cov kua nplaum hnyav: 3-6 g
1. Abrasive Ntaub Jumbo yob: -1. 45M, ntev} m ,, yog li koj tuaj yeem swb 2250 / {} pcs; Qhov me me Flaps: 100000 / {{} pcs, yog li, koj tuaj yeem txiav me me Flaps 66 * {}} pcs nrov plig plawg flap disc.
Tus nqi nqe: hom zoo dua hauv Suav teb 18.5rmb /㎡, Yog li, ib jumbo yob: 1.4 * 100 * 18. {{{} Rmb / pcs, txog USD 398,Yog li ib daim npog nrov nrov plawg daim ntaub: 398 / 5390=0. 073USD.
2. Cov nplaim paj tawg, txhua daim hnyav li 3-6 g, cov nqe kua nplaum yog USD 2.65,Yog li ib daim paj nruag nrov plig plhaw tawm cov roj nplaum: {{{}}. 003 * 2}}. 0079.
3. Lub thaub qab: daim ntawv dub, 90 hli, 6+1,Nqe: 0. 05USd / PCs
Yog li, tag nrho: {{{{{{{{{{}}}}}. {2}}. 05 ≈0.1309usd