treadle造句

• A talk on application of piano ' s treadles
  浅谈钢琴踏板的运用
• Easy treadle design , exclusive design . eliminates operator fatigue
  轻巧的踏板设计（独特设计） ：减少了操作者的疲劳。
• Railway fixed equipment . electronic treadle for marshalling yard . characteristics
  铁路固定设备.车辆调度编组场用的电子脚踏板:特性
• His face had withered . in the strenuousness of his concentration he treadled fitfully on the floor
  他想努力把心思集中起来，就在地板上胡乱地来回走着。
• The technologies , which include treadle pumps and drip irrigation systems , enable farmers to produce vegetable crops for consumption and sale
  这项技术，包括踏板抽水和滴流灌溉系统，使得农户可以用于蔬菜灌溉，达到自行消费和出售的目的。
• In the early 1980s , thousands of farmers in bangladesh began using treadle pumps to irrigate small plots of homestead gardens instead of lugging heavy buckets of water
  在1980年代初期，孟加拉国有几千农民开始用踩踏水泵灌溉自家菜园内的小块作物，而不用提一桶桶沉重的水。
• Sewing clothes for her family on the old singer treadle machine , cooking meals and baking bread , planting and tending a vegetable garden , milking the goats and scrubbing soiled clothes on a washboard
  （用老式的“胜家”缝纫机为一家人缝缝补补；要做饭、烤面包；要照料菜园；要挤羊奶；还要在洗衣板上搓洗脏衣服。 ）