material source造句怎麼寫

Polyethylene Waxes for Hot Melt Adhesive: These waxes can be divided into three kinds with synthetic grade and crack grade and polyethylene wax by-product in accordance with material source.

That is' the structures before sedimenting control the shape of basin, the distributed directions of source beds and the material source;

The process can obtain high quality wood pulp of soluble viscose fiber stably and has wide material source.

The material source of the Carboniferous karst type bauxite in North China mainly came from the underlying Late cambrian-middle Ordovician carbonate rock.

The grain size of the loess is coarse with high contents of unstable minerals, indicating that the Xining loess material source approximate to the loess region.

The authors suggest that the main material source of bauxite is originated from its underlying Ordovician limestone.

The following checklists are intended to itemize important considerations in order to determine the viability of any new raw material source.

The formula has aromatic flavor, wide raw material source, low price and better effect than the finished baits.

One material source of diamond is primary diamond mines and ancient placer in the ancient Yi River upstream in Shandong, the other is the primary diamond mine which may exist in this area.