primary raw material的意思|示意

There are four key industrial economic sectors: the primary sector, largely raw material extraction industries such as mining and farming;

有四个主要工业经济部门：初级部门，主要原材料的开采，如采矿业和农业；第二产业，涉及炼油，建筑，制造；

A natural preservative CP-F was prepared by using hesperidin as primary raw material.

用桔皮提取物橙皮甙为主要原料制备了天然果蔬护色保鲜剂CP - F。

Primary technological conditions are determined by raw material refining and hydrogenation conditions tests.

通过原料处理、加氢条件试验，确定了丁炔二醇中压加氢的主要工艺条件。

The Inorganic Pigments business cites the continuation of elevated raw material, energy and freight costs as the primary reasons for the increase.

居高不下的原材料成本以及高涨的能源和运输费用是无机颜料价格上涨的主要原因。

Model CH mixer is wide suitable for mixing power or damp raw material and make primary and auxiliary raw material can be mixed uniformly.

型混合机广泛用于混合粉状或湿性物料，使不同比例主辅料混合均匀。

A great breakthrough has been made in the research of a filling cementing material for mine, a cementing material with water-quenching steel slag as primary raw material.

在矿用充填胶凝材料的研究中，以水淬钢渣为主要原料的胶凝材料的研究取得了较大突破，该材料以钢渣和少量石膏及激发剂组成。