What does the proof test load of an anchor chain demonstrate?（）<br>A:Breaking strength of the chain<br>B:Strength of the chain to a specified limit<br>C:Adequate holding power for new bottom conditions<br>D:Safe working load of the chain

What does the proof test load of an anchor chain demonstrate?（）
A:Breaking strength of the chain
B:Strength of the chain to a specified limit
C:Adequate holding power for new bottom conditions
D:Safe working load of the chain

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