material price discrepancy
bidding at rational low quoted price
quoted price for bidding
the method of unbalanced quoted price in bids
core material and filter material joint anti-perme
material evaluation of gas standard material
material quota material
(thermo) reference material
105℃ PVC cable material
1D periodic dielectric material
2 kilograms of reproductive material
3-D braided composite material
3D material removal model