duct line
短语词组
- underground duct -line 地下风道
- duct line system 管路式
- duct line length 管道长度
- cable duct line 电缆沟道
- bile duct carcinoma cell line 胆管癌细胞系
- artificial line duct [通信]仿真线通道
- line duct for noise reduction 降噪消声管道
- In -line Duct Fan 方圆管道风机
- line of duct 管线 返回 duct line