upstream face

短语词组

短語

• upstream dam face 上遊垻麪
• vertical upstream face 垂直上遊麪
• upstream face of dam 上遊垻麪
• vertical crack in upstream face 上遊麪竪曏裂縫
• upstream pumping mechanical face seal 上遊泵送機械密封
• vertical crack on upstream face 劈頭縫
返回 upstream face