The valve actuating device is installed in another room.
阀门传动装置安装在另一舱室。
The high temperature self-lubricating valve actuating mechanism is the key part of an engineering engine.
高温自润滑配气阀座是某工程发动机的关键部件。
The high temperature self-lubricating valve actuating mechanism is the key part of an engineering engine.
高温自润滑配气阀座是某工程发动机的关键部件。
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