right-hand thread

工程图纸英语 - 豆丁网 ... 旋向 direction of turning 右旋螺纹 right-hand thread 左旋螺纹 left-hand thread ...

美英加陆军规格_馆档网 ... "右手件"," right-hand part" "右[旋]螺纹"," right-hand thread" "右侧视图"," right-hand view" ...