Spring loaded type relief valve 直动型溢流阀
spring-loaded type safety valve 弹簧式安全阀
non-loaded type 非荷载型
loaded type catalyst 负载型催化剂
front-loaded type loading mechanism 前开式装片机构
single helical spring-loaded type seal 单螺旋弹簧加载式密封
spring-loaded quilled type indirect pilot 弹簧套管式间接导正销
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