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Be how much a treadle motorcycle direct current fire maker ?
一个踏板摩托直流电打火器多少钱?
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The study of treadle bicycles transmission system
踏板式自行车传动系统的研究
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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。
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Adjustable industrial sewing machine stand combined electric and treadle sewer for industry
电动-脚踏两用工业缝纫机
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A study on the Treadle Loom of the Han Dynasty
汉代踏板织机的复原研究
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Treadle type sewing machine with drawer without cover
脚踏式一斗无盖缝纫机
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Analysis of the defects on the wheel treadle of the 25g railway passenger cars
25G客车车轮踏面缺陷分析
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So they are using their treadle pumps again .
所以他们重新使用踏板抽水机。
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Treadle type sewing machine with rectangular cabinet
脚踏式长方柜式缝纫机
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Aunt Sarah would play the old treadle organ and Uncle Harry and my cousins would sing .
萨拉伯母弹着旧式的脚踏风琴,哈里大伯和我的堂兄弟们伴唱。
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The treadle pump is easy to build from bamboo or other wood and two metal cylinders with pistons .
踏板抽水机很容易制造,用竹子或其它木材,加两个有活塞的气缸就可以了。
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The vertical treadle loom is an important but lost type of loom of common use from the Tang to the Ming Dynasty .
踏板生机是一种流行于自唐代至明代的重要机型,今已失传。
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The power machine is run by a foot treadle and uses a knee lift to raise and lower the presser foot .
工业缝纫机是通过压脚启动的,用膝盖运动抬起压脚或降落压脚。
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The report highlights the importance of low-cost technologies , such as treadle pumps , that could increase poor farmer 's access to water resources .
这份报告强调了诸如踏板泵这样的廉价技术的重要性。这些技术可以让贫困的农民获得更多的水资源。
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Human-powered treadle pumps are another solution .
人力操作的踏板抽水机也是另外一个选择。
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Reduction of asthenopia related to accommodative relaxation by means of far point stimuli EASY TREADLE DESIGN , exclusive design . Eliminates operator fatigue .
通过远点刺激使调节松弛以减轻视疲劳轻巧的踏板设计(独特设计):减少了操作者的疲劳。
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The restoration of the vertical loom will give some inspiration to the study on the slant treadle loom of the Han Dynasty .
这一复原将为汉代斜织机的研究带来启发。
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Bangladesh is particularly well suited for the treadle pump because a huge reservoir of groundwater lies just a few meters below the farmers'feet .
孟加拉国是个非常适合使用脚踏泵的地方,因为在农民脚下几公尺深的地底,就有丰富的地下水。
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The brickmaker treadles over clay to pick out the stones .
制砖工人踩踏泥土以提炼石头。
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She was working the treadle of her sewing-machine .
她正用脚踩动缝纫机的踏板。
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But development agencies must be willing to start at the bottom - at the level of the small farmer walking quietly on his treadle pump - and work their way up .
但开发机构必须愿意从基层做起,从默默踩著脚踏泵的小农民层次开始,然后再逐步向上扩展。
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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。