塑料的

A substance added to plastics or other materials to make them more pliable .

加入塑料或其他材料中使之更加柔韧的物质。

The effects of PVC subdrainage on the mineral nutrient uptake,dry matter accumulation as well as distribution,yield and quality of winter wheat in different ecological polder areas of Nanjing are discussed.

着重探讨了南方不同生态类型圩区农田埋设塑料暗管对小麦地上部分矿质营养吸收、干物质累积和分配、产量及品质的影响。

Polyamide 66 (PA66) is commonly used machine parts manufacturer of engineering plastics.

聚酰胺66(PA66)是机械零件制造常用的工程塑料之一。

The main production of polyethylene plastic bucket Product specifications are between 25-50 or more than 10 varieties.

主要生产聚乙烯塑料桶，产品规格是25-50升之间的十多个品种。

Microcellular plastic is a new kind of polymeric material.

微孔塑料是一种新型的高分子材料。

Polyoxymethylene is one of the important engineering plastics. Its modification is in great demand for the national economy.

聚甲醛是一种重要的工程塑料，其高性能化是国民经济关键需求。

Project Contents: Polyoxymethylene is a hot type engineering plastic with high crystallinity, whose intensity, rigidity and hardness are similar to that of metal and which is mainly applied in electric appliance, engineering industry, automobile industry, building material and agriculture. The market prospect is great.

建设内容：聚甲醛是具有高结晶性质的热型性工程塑料，其强度、刚度、硬度类似金属，主要用于电子电器、机械工业、汽车工业、建材、农业等领域，市场前景广阔。

Polyoxymethylene is an excellent thermoplastic for engineering with the nature of high crystallinity.

聚甲醛是具有高结晶性质的热型性工程塑料，其强度、刚度、硬度类似金属，主要用于电子电器、机械工业、汽车工业、建材、农业等领域，市场前景广阔。

Polyoxymethylene isone of five engineering plastics which has excellent combined properties, especiallyexcellent friction behavior, therefore widely be applied in rotation parts of mechanical,electric motors, electric appliance accessories.

聚甲醛是五大工程塑料之一，综合性能优异，尤其是摩擦磨耗性能优良，因此最适用于作机械、电动机、电子电器用零件的转动部位材料。

Polystyrene is one of the most widely used thermoplastic plastics.

聚苯乙烯是应用最广的热塑性塑料之一。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。