heavy layer
短语词组
- heavy oil layer 稠油層
- thin heavy oil layer 薄層稠油
- heavy medium layer 重介質層
- heavy layer ventilation 厚層通風
- heavy -oil layer 稠油層
- heavy curtain covering layer 帷幕狀保護層
- heavy hanging wall layer 厚層
- heavy oil tested layer 稠油層
- heavy miscellaneous fill layer 大麪積深厚襍填土 返回 heavy layer