法兰 M 700-2.5 /u00c3/u0083/u00c6/u0092/u00c3/u0086/u00e2/u0080/u0099/u00c3/u0083/u00e2/u0080/u00a0/u00c3/u00a2/u00e2/u0082/u00ac/u00e2/u0084/u00a2/u00c3/u0083/u00c6/u0092/u00c3/u00a2/u00e
法兰 M 700-2.5 /u00c3/u0083/u00c6/u0092/u00c3/u0086/u00e2/u0080/u0099/u00c3/u0083/u00e2/u0080/u00a0/u00c3/u00a2/u00e2/u0082/u00ac/u00e2/u0084/u00a2/u00c3/u0083/u00c6/u0092/u00c3/u00a2/u00e