It is common knowledge now that the way to make rubber hard and strong -- to "vulcanize" it, as we say -- is by heating it with sulphur.
要使橡胶硬而结实的方法——也就是我们所说的“”——就是要掺入磺加热,这一点现在已经是常识了。
It is common knowledge now that the way to make rubber hard and strong -- to "vulcanize" it, as we say -- is by heating it with sulphur.
要使橡胶硬而结实的方法——也就是我们所说的“”——就是要掺入磺加热,这一点现在已经是常识了。
声明:以上例句、词性由互联网资源自动生成,部未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。