[化工]?滤网
...滤网 colatorium; dust gauze; filter basket; filter gauze; filter mesh; filter screen; gauze element; gauze filter; gauze strainer; gauzestrainer; impounding; mesh filter; net jacket; rose; sieve; strainer filter; strainer mesh; strainer screen; trap valve 倾斜转弯,带坡度的转弯 banked turn ..