单项选择题X 纠错

A.bags
B.bales
C.sacks
D.cases

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单项选择题

A.one short ton
B.one short metric ton
C.one long ton
D.one long metric ton

单项选择题

A.allow greater than normal loads to be handled by the gear
B.act as an inboard guy in the event the inboard guy parts during cargo handling
C.assist the outboard guy in supporting stresses during cargo handling
D.prevent the inboard guy from parting due to stresses during cargo handling

单项选择题

A.is rigged at an angle of 70°to 90°from the guy it assists
B.takes the strain imposed on the schooner guy when burtoning cargo
C.is rigged when lifting cargo that exceeds the SWL of a single whip
D.should take the strain if the regular guy parts

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