弹簧: spring; mechanical spring安全阀: safety valve内弹簧安全阀: internal spring safety relief valve封闭式弹簧安全阀: sealed ring loaded safety valve; sealed spring loaded safety valve开启式弹簧安全阀: open- ring safety valve; open-spring safety valve特种弹簧安全阀: special spring safety valve弹簧安全器: spring release弹簧安全刹车: maxi brake安全阀弹簧: safety valve ring; safety valve spring弹簧安全联结装置: spring safety hitch弹簧安全泄压阀: spring safety-relief valve; spring safetyrelief valvee安全阀的弹簧: springs for safety valves弹簧式安全阀: direct spring loaded safety ale; direct spring loaded safety valve; spring pressure relief valve; spring safety valve; spring-loaded pressure relief valve; spring-loaded safety valve; springsafetyvalve带弹簧安全器的铲柄: spring mounted shank; spring-mounted shank带弹簧安全器的犁辕: spring trip beam; spring-trip beam贮能弹簧安全制动器: fail-safe spring brake弹簧平衡安全阀: spring balance safety valve; spring-balance safety valve弹簧外露式安全阀: exposed spring type safety valve低压安全阀弹簧: low pre ure safety valve ring; low pressure safety valve spring双联弹簧式安全阀: duplex safety ale; duplex safety valve油泵安全阀弹簧: oil pump relief valve spring弹簧安培表: spring ammeter弹簧安侠工: spring loaded safety valve弹簧安装: spring mounting弹簧直接载荷式安全阀: spring loaded safety valves
