最好在进口和出口处标上字母的英文

it's better to put letters at the inlet and outlet

• 最好:    best; first-rate
• 在:    exist; be living
• 进口:    enter port; sail i ...
• 和:    mix; blend
• 出口:    exit
• 处:    place
• 标:    Rockwell A scale
• 上:    upper; up; upward
• 字母:    letters of an alph ...

例句与用法

1. It ' s better to put letters at the inlet and outlet
   最好在进口和出口处标上字母
2. It ' s better to put letters at the inlet and outlet
   最好在进口和出口处标上字母