海水中盐的含量是多少?What is the concentration of salt in sea water?无机碱盐水溶液的饱和点通常随着温度和浓度的升高而降低,这将造成皂化剂中盐的析出,形成坚固的水垢.This causes the salt to drop out of solution, with net effect being a harden scale.本文简单地介绍了减少制革过程中盐污染的几种方法.Thus , ...
She could tattoo me with epigrams.她会用警句不断地敲打我.Poems and essays alike abound in neat turns of phrase, and epigrams that are immediately pleasing.诗文中充满了简洁的短语和读来清晰可喜的短句.The playwright Oscar Wilde was noted for his epigrams....
A 15-year lifespan is not uncommon for a dog...15年的寿命对狗而言是比较常见的。They postulated a 500-year lifespan for a plastic container.他们假定塑料容器的寿命为500年。Most boilers have a lifespan of 15 to 20 years.绝大多数锅炉有15至20年的使用期限。The average l...