spanner 是什么意思

	n. 1.用指距测量的人。 2.〔英国〕(螺钉)扳钳，扳子，扳头；【建筑】(桥梁的)交叉支撑，横拉条。 3.【动物；动物学】＝spanworm. a shifting spanner 活络扳头。短语和例子 throw a spanner in the works 捣乱，妨碍或阻挠人家的计画。

a hand tool that is used to hold or twist a nut or bolt
同义词：wrench,

	1.	He had sometimes seen her with oily hands and carrying a spanner . 他有时看到她双手沾油，拿着板钳。
	2.	The plumber screwed up the tap by means of a spanner 管子工用板手把龙头旋紧。
	3.	Start : prepare required spanner and other tools 起动： 1 、准备必要的扳手和工具。
	4.	I see , you need two spanners to do the job 我明白了，干这活你需要两个板手。
	5.	Iso across flats for fasteners with spanner drive 扳手操作型紧固件的iso扳手开口尺寸
	6.	Dairying machines ; hook spanners for compression fittings 乳品机械.压力接头用钩形扳手
	7.	Fracture failure analysis of spanner forging mould 扳手锻模断裂失效分析
	8.	These pages are marked with a spanner icon 这些页面用扳手的图片标注。
	9.	I ' ll need a spanner to change the back wheel 我需要一把扳手来换后轮
	10.	I ' ll need a spanner to change the back wheel 我需要一把扳手来换轮

spanner是什么意思