... jobber,merchant,wholesaler 批发商 Joint Opening 开口宽度 joint straight draw test 接头拉伸试验 ...
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Contraction Joint Opening 横缝开度
transverse joint opening controlling 横缝变形控制
atlantoaxial joint opening-mouth projection 寰枢关节张口位
opening-joint 有隙接头
length of opening joint 开启缝隙长度
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