锣 觐痃桧� 矬耱�
妈眚 �5*10 � 鲨腓礓痂麇耜铋 泐腩忸� � 忭篁疱眄桁 耱桡疣眄桕铎.
如泐蝾怆屙 � 耦铗忮蝰蜮梃 � DIN 912.
项牮桢 - 鲨黻,
觌囫� 镳铟眍耱� 8.8