box wrench 是什么意思

a wrench with a closed loop (a socket) that fits over a nut or bolt head
同义词：box end wrench,

	1.	Box wrenches , single end ; test torques series a 单头套筒扳手.按照a系列检验扭矩
	2.	Slugging open - end wrenches and slugging box wrenches 敲击呆扳手和敲击梅花扳手
	3.	Tools for explosive atmospheres - box wrenches for explosive atmospheres 防爆工具.防爆用梅花扳手
	4.	Types of open - end wrenches , box wrenches and combination wrenches 呆扳手梅花扳手两用扳手的型式
	5.	Box wrenches , double head , with unequal openings ; test torques series b 开口不同的双头套筒扳手. b系列的检验扭矩
	6.	Box wrenches , double head , deep offset , with unequal openings ; test torques series a 开口不同的双头弯颈梅花扳手. a系列检验扭矩
	7.	Offset box wrench set 套庄令士
	8.	Box wrenches , double end , modified offset , with unequal openings ; test torques series a 开口不同的双头矮颈梅花扳手. a系列检验扭矩
	9.	Assembly tools for screws and nuts - double - headed , flat and offset , box wrenches - length of wrenches and thickness of the heads 螺钉和螺母用装配工具.双头扁形斜口套筒扳手.扳手长度和端口厚度
	10.	Assembly tools for screws and nuts - double - headed , flat and offset , box wrenches - length of wrenches and thickness of the heads 螺钉和螺母用装配工具.双头直颈和弯颈套筒扳手.扳手长度和头部厚度

box wrench是什么意思