The new synthetic rubber is being tested to see if it can be mixed with metal and other materials now used in making tires.
这种新的合成橡胶正在接受测试看是否能和金属以及目前制造轮胎的其它物质混合。
The new synthetic rubber is being tested to see if it can be mixed with metal and other materials now used in making tires.
这种新的合成橡胶正在接受测试看是否能和金属以及目前制造轮胎的其它物质混合。
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