In this way, the matching of the screw and barrel diameter clearance, with the gradual wear and tear of the a little bit more.
这样，螺杆与机筒的配合直径间隙，随着二者的逐渐磨损而一点点加大。
In this way, the matching of the screw and barrel diameter clearance, with the gradual wear and tear of the a little bit more.
这样，螺杆与机筒的配合直径间隙，随着二者的逐渐磨损而一点点加大。
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