Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
<p>海天280T用三年最近计量时间不稳定射胶有时有黑点。拆开看螺杆有轻微磨损。大家评判标准是什么?磨损多少算要换了?</p>
<p>计量段磨损超0.5mm就换或者打全行程看注射量偏差。</p>