resin impregnated paper bushing core 胶浸纸电容套管芯
For used molds are composed of six panels contains the core, Demoulding Bushing, gear and rack and the thrust piece, bearing and seal set with a square of the cold-side or "b" side.
举例用的模具是由六个板组成的包含型芯、脱模衬套、齿轮和齿条以及止推片、轴瓦和方形密封圈载一起的冷端或“B”面。
Valve core and valve seat or bushing deactivation, valve lever curving and so on.
阀芯与阀座或衬套卡死，阀杆弯曲等。
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