单选题
In usual marine applications, bellows joints are designed and fitted to accommodate straight line axial movement only and the associated piping requires adequate anchors and guides to prevent misalignmentAccording to the above sentence, which of the following statements is true?（）
发布日期：2021-03-22
The marine bellows joints are attached in the accommodation only
The bellows joints should be attached to anchors
The associated piping should be thrown into the water like as anchors
The connecting piping with the joints should be fixed firmly
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