1)live knot,活节2)unsound knot,活节3)ball head bolt,活节螺栓4)daily used water,生活节水5)Gregorian Calendar,复活节6)pace of living,生活节奏7)loose joint hinge,活节铰链8)articulated(connecting) rod,活节连杆9)articulating seat,活节座椅10)three-way swivel,三路活节
用法例句
The experimental method and steps of steel ball head bolt upset forming technology are introduced herein.
