The natural rubber has been gathered from the sap of plants for centuries.

天然橡胶是几个世纪以来从植物汁液中收集来的。

Natural rubber has been gathered from the sap of plants for centuries.

从植物汁液中收集天然橡胶已经有几个世纪的历史。

The evolutionary purpose of rubber, and the reason why it has appeared independently in plants as diverse as trees, guayule and dandelions, is that it gums up the mouthparts of herbivorous insects.

橡胶形成的进化目的，以及橡胶之所以分别出现在橡胶树、银胶菊、蒲公英等各种各样的植物中的原因，在于它能黏住食草昆虫的口器。

Hardy varieties include spider, rubber, and snake plants, and pothos, aloe vera, and peace lilies.

顽强的种类包括醉蝶花属植物， 橡胶植物（叶厚而有光泽, 常作室内盆栽）和蛇型植物，以及石柑属，芦荟和和平百合。

There are hundreds of related plants, including rubber trees, trees that produce castor and tung oil, and the cassava, a root crop.

大戟科有数百种相关植物，包括橡胶树，产生蓖麻油和桐油的树，以及木薯这种块根作物。

The tubular rubber-belt conveyer is seldom used in Chinese power plants.

管式胶带输送机在我国电厂中应用较少。

Agricultural income is also derived from non-food crops such as rubber, fiber plants, tobacco, and oilseeds used in synthetic chemical compounds.

农业收入还来自非粮食作物，如橡胶、纤维植物、烟草以及可用于生产化学合成品的油料作物。

People who are allergic to the latex produced by rubber trees can develop a mild skin rash from poinsettia plants.

对橡胶树产生的乳胶过敏的人会因为一品红患上轻度皮疹。

All the larvae described are of great importance as pests of the stem and root of rubber trees and other tropical plants.

这些天牛幼虫都是橡胶树根、茎及其他热带作物很重要的害虫。

PREVIERO is specialized in the production of machines and plants for granulation of plastic materials, rubber, paper, cellulose and similar products.

普瑞威努公司专业生产破碎机，可用于破碎塑料、橡胶、纸张、纤维素以及类似物质。

The condensed water from plants of C4 , styrene and ABS was recycled and applied to heat salt water in production of acrylonitrile-butadiene rubber, and then used for agglomerating and washing.

中国石油兰州石化公司合成橡胶厂将碳四、苯乙烯、丙烯腈-丁二烯-苯乙烯嵌段共聚物等装置的凝结水收集后，先用于丁腈硬胶聚合用盐水的加热，换热后的回水再用于凝聚和洗涤用水；

There are around 11 schools, including Guangzhou Rubber factory, Guangzhou zinc tablets plants, Guangzhou, at the electric battery factory, and environmental pollution is serious.

学校周围有包括广州市第十一橡胶厂、广州市锌片厂、广州市电池厂等工厂，环境污染严重。

HUTCHINSON main activity is to manufacture and sell rubber products to Global OEMs in the aerospace, railway, and car industry, but also consumer goods, from its 95 plants located in 21 countries.

哈金森是一家全球大型的橡胶制作供应商。主要生产和销售航空、铁路、汽车工业的橡胶制品，同时也从事消费品的生产。它在全球21个国家拥有95家分厂。