英语词汇gravity roller怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	gravity roller
释义	gravity roller 简明释义重力辊道双语例句 1 Roller gravity conveyors move product without motor power by using a slope to convey products. Rollers have spring loaded axles for easy removal or replacement. 无需发动机推力，只需要一个倾斜的坡度就可运输产品。
随便看	expanded succession expanded sweep expanded system expanded time base expanded time base sweep Expanded time-base sweep expanded town expanded tube hole groove expanded tube joint expanded(tube)joint expanded type expanded universe expand upon expanded value form expanded vermiculite expanded vermiculite products expanded view expanded vinyl expand employment expander expander amplifier expander bar expander board expander board kit expander circuit

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