mattress sinking
短语词组
- sinking mattress 沉排
- sinking mattress technology 沉排工艺
- hinged sinking mattress 铰链沉排
- base protected sinking mattress 护底沉排
- sinking mattress WESTBANK 沉排
- soft sinking mattress 软体沉排
- ballasting and sinking of mattress 柴排压载下沉 返回 mattress sinking