mattress sinking
短语词组
- sinking mattress 沉排
- sinking mattress technology 沉排工藝
- hinged sinking mattress 鉸鏈沉排
- base protected sinking mattress 護底沉排
- sinking mattress WESTBANK 沉排
- soft sinking mattress 軟躰沉排
- ballasting and sinking of mattress 柴排壓載下沉 返回 mattress sinking