远点（far point of vision）

1、The line which connects the points of

The line which connects the points of zero magnetic dip is（）.AAn agonic lineBThe magnetic equatorCA magnetic meridianDAll of the above

2、机务整备所 point of locomotive running prep

机务整备所 point of locomotive running preparation

3、Point Judith Harbor of Refuge（）.

Point Judith Harbor of Refuge（）.Ais used mostly by towing vesselsBhas a maximum depth of 14 feet (4.3 meters) at MHWCWest Gap has a controlling depth of 24 feetDis entered through the East Gap or the West Ga

4、The boiling and condensation points of

The boiling and condensation points of refrigerant mainly depend on the （） exerted upon it.AtemperatureBdensityCvolumeDpressure

5、By far the greatest item of maintenanc

By far the greatest item of maintenance of the reciprocating air compressors concerns （）.Athe lubricationBthe coolingCthe moisture separationDthe valve

6、近点（near point of vision）

近点（near point of vision）