... 卧式离心浇铸机 horizontalcentrifugalcastingmachine 离心浇铸轴承 spun bearing 离心浇铸混凝土灌入桩 cast concrete driven pile ...
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Whether the formulations of refined waste silk are rational has a direct bearing on the quality, material consumption, and economic benefits of spun silk production .
精干绵配方是否科学合理，直接影响到绢纺生产的产品质量、消耗和经济效益。
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