基本解释動力抹刀英汉例句雙語例句The company's power trowel, tamping rammer, forward plate, floor saw, concrete vibrator and mortar pump already reach world-class standards.其中抹平機，沖擊夯，平板夯，切割機，震擣棒，灰漿泵等均已達到世界一流水平。power trowel更多例句词组短语短語Rotary power trowel 發明名稱power trowel更多词组专业释义機械工程動力抹刀