double swing door

常見例句

雙語例句

• The original seal structure and the improved seal structure of the double-leaf swing door at the outside end are described.
  介紹了外端雙扇擺門的原密封結(jié)構(gòu)和改進(jìn)后的密封結(jié)構(gòu)，對比分析了硅橡膠條、尼龍毛刷和羊毛毛刷的密封性能。
返回 double swing door