hand brake
手动制动器
手制动器
手制动机
液压煞车
手煞车
人力撒粉机
水力测功器
手闸
手轫
hand guide heavy duty mechanical tamper
lowering with hand brake
absorber rod guide sheath
absorber rod guide tube
anchor rod or rope calculating method
Anchor Rod Pulling and Drawing out Test
anchor rod retaining technique
Anchor Rod Retaining Wall
anchor rod roadbed retaining wall
Anchor Rod Static Pressure Pile