title: passing multiple parameters to routerLink
body: <p>I want to use routerLink to navigate to another component , here is my route definition  </p>
  
  <pre class="lang-typescript prettyprint-override"><code>{path: 'articles/:id/edit-translation/:translation_id',component: ArticleEditTranslationComponent}
  </code></pre>
  
  <p>what is the correct format to pass theses 2 params (id,translation_id) to routerLink ?</p>