| 摘要 |
<p>The contact freezer has saveral levels or stands to hold the goods for freezing which, under partial automation have a synchronised continuous movement in a loop circuit going to a central loading position and to a central unloading position, passing through the various levels of the contact freezer on slide-rails. Arrangement is made for periodic lifting of the contact plates between the rails and the transportation from one level of the contact freezer to the next.</p> |
