1/(1003)=1/91. — What’s in the plastic bottle (塑料瓶)? — There is some g___.2. — What can you do? — I can colour the house with some p___.3. Look, the boy has a kite in h___ hand. He likes flying the kites.4. — How many n___ are there? — There are...
This plastic is hard, opaque in color and is adorned with the #2 resin identification code. Its many packaging applications range from milk jugs, laundry and dish detergent containers to bleach and lotion bottles. Polyvinyl Chloride Made from carbon, chlorine and hydrogen, this plastic is durable...
LDPE is an acronym for low-density polyethylene. This type of plastic can be identified in many products we use with the resin code, or recycling number, 4. Description According to the American Chemistry Council (ACC), LDPE is primarily used in film applications because it is tough, flexible...
1. B 解析:细节理解题.根据“ HDPE is a stronger type of plastic. "可知,HDPE 是一种更结实的塑料。 2. C 解析:细节理解题。 根据“This is the plastic that you often see on supermarket shelves! It's used to make plastic water bottles and biscuit boxes."可知, PET 类的塑料被用来制作塑料...
Plastic injection molding is the most common method of manufacturing plastic parts because it typically creates the final part design in a single step, without the need for any secondary operations such as trimming or finishing. In the plastic injection molding process, a machine injects a molten...
What is PP plastic used for? The properties of polypropylene (PP) lend themselves to a number of industries. The plastic’s excellent chemical resistance and very high melting point (around 20°F) means it can stand up to steam sterilisation methods for effective decontamination of germs, fungi...
How is ABS made? Now that we are aware of “what is ABS plastic”, we must explore its production. The method of emulsion, which is the blending of many components that don't generally combine into a single product, is the one most frequently used to polymerize ABS. Milk is a common...
1 Level 2-8Plastic-02.Making Plastic 162022-04 2 Level 2-8Plastic-01.What Is Plastic? 412022-04 3 Level 2-7Sunny And Rainy-08.People and Weather 152022-04 4 Level 2-7Sunny And Rainy-07.Cold and Dry 142022-04 5 Level 2-7Sunny And Rainy- 06.Warm and Wet 152022-04 6 Level 2-...
1. Overview Metalworking using machines and machine tools includes cutting using a lathe, plastic forming, and welding. When grouped with other such metalworking techniques, plastic forming is also called stamping and makes the designed shapes by pressing the material into a die. This processing meth...
What I want to say is that I ___ disposable plastic bags.我想说的是我反对使用一次性塑料袋。 答案 "反对做某事" 译为be against doing sth. ,"使用"译为use,根据上文中的"want"可知,这里是一般现在时,表语从句中的主语是I,第一人称单数,故be动词变为am,横线处"反对使用"译为am against using。