horizontal loader
... 树脂流道口堵塞物：runner stop 树脂接合：horizontal loader 树脂次流道：sub runner ...
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合成树脂结合剂焊接法 cyclewelding
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以松脂为原料直接合成一种色泽浅、软化点高、酸值合格的4 2 2树脂。
A light colour 422 resin with high softening point and reasonable acid value was synthesized directly from pine oleoresin.
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