belt drive〔名词〕皮带传动,皮带传动装置详细»
belt drive〔名词〕皮带传动,三角皮带传动详细»
belt drive皮带传动详细»
belt drive〔名词〕皮带传动详细»
belt drive〔名词〕皮带传动详细»
belt drive〔名词〕皮带传动详细»
belt drive皮带驱动详细»
皮带输送机belt conveyer;endless belt conveyer;endless-belt conveyer详细»
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