bottom platform
短語詞組
- bottom supporting platform 底層支持平臺
- bottom founded platform 底底式平臺
- bottom -dump platform 活底板吊框
- bottom sitting drilling platform 坐底式鑽井船
- sloping -bottom platform 斜坡平臺
- bottom supporting drilling platform 定柱沉墊式鑽井平臺;坐底式鑽井平臺
- platform bottom 收割臺底板 返回 bottom platform