To prevent the riser system from buckling under its own weight，upward tension is provided by the（）.<br>A:riser stabilizers<br>B:guideline tensioning system<br>C:riser tensioning system<br>D:guideline stabilizers

To prevent the riser system from buckling under its own weight，upward tension is provided by the（）.
A:riser stabilizers
B:guideline tensioning system
C:riser tensioning system
D:guideline stabilizers

出自：海船船员证

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