Guide tolerances during elevation of the jack-up rig will（）.<br>A:reduce spud can bearing pressure<br>B:keep the unit level and reduce overloading<br>C:reduce stresses on the hull<br>D:minimize the potential for punch-through

Guide tolerances during elevation of the jack-up rig will（）.
A:reduce spud can bearing pressure
B:keep the unit level and reduce overloading
C:reduce stresses on the hull
D:minimize the potential for punch-through

出自：海船船员证

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