Important to note that there is a J4105 the specification requirements, and the diaphragmless scale is 0 degrees, in fact, is to make both ends of the shoulder iron gap drum.

• 出格给夺目J4105仿单洋有一项给求，边调压器刻度为0度，本质上是给使滚筒两头肩铁间隙分歧。