基本解释[经济学]拉伸矫直机词组短语短语stretcher sprinkling machine 手抬式喷灌机roller -stretcher machine 辊式板材拉伸机;辊式板材拉伸矫直机belt stretcher machine 皮带拉幅机stretcher type tea picking machine 担架式采茶机stretcher type tea pruning machine 担架式茶树修剪机stretcher machine更多词组专业释义经济学拉伸矫直机