A metal object on the pier resembling a tree stump and made to receive mooring lines is a（）.
- Abight
- Bbollard
- Cchock
- Dcamel
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1、The purpose of the tripping line on a
The purpose of the tripping line on a sea anchor is to（）.AAid in casting offBDirect the drift of the vesselCAid in its recoveryDMaintain maximum resistance to broaching
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2、The port gang way caught on a（）on the
The port gang way caught on a（）on the wharf and was severely damaged.AbollardBbittCstemDkeel
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3、Any piece of metal on becoming magneti
Any piece of metal on becoming magnetized will develop regions of concentrated magnetism called（）.AfluxBpolesCmagnetsDazimuth
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4、A metal ring on the bottom of a block，
A metal ring on the bottom of a block，to which the standing part of a tackle is spliced，is known as a(n)（）.AbecketBloopCswivelDeye
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5、The objective of shoring a damaged bul
The objective of shoring a damaged bulkhead is to（）.Aforce the warped, bulged, or deformed sections back into placeBsupport and hold the area in the damaged positionCwithstand subaequent additional damagedDmake a watertight seal at the damaged area
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6、The objective of shoring a damaged bul
The objective of shoring a damaged bulkhead is to（）.Aforce the warped，bulged，or deformed sections back into placeBsupport and hold the area in the damaged positionCwithstand subsequent additional damageDmake a watertight seal at the damaged area