A distance piece, with ground faces, known as a compression plate, may be interposed between the rod and the beating housing, its thickness being chosen to ensure the correct （）.
1、A white buoy with an open-faced orange
A white buoy with an open-faced orange diamond on it indicates（）.AdangerBvessels are excluded from the areaCthe buoy is a mooring buoyDoperating restrictions are in effect
2、A single piece（） fitted with bronze ri
A single piece（） fitted with bronze rings guides the piston in the cylinder liner.Apiston skirtBpiston crownCguide wayDcross-head
3、A distance piece, with ground faces, m
A distance piece, with ground faces, may be interposed between the rod and the bearing housing, its thickness being chosen to ensure the correct （）.Aexpansion ratioBpressure ratioCcompression ratioDclearance ratio
4、A shore is a piece of securing dunnage
A shore is a piece of securing dunnage that（）.Aruns from a low supporting level up to the cargo at an angleBis also known as a distance p...
5、A distance piece, known as a （） may be
A distance piece, known as a （） may be interposed between the rod and the bearing housing.Abearing shellBbearing linerCcompression plateDlead wire
6、Accidental grounds in a shipboard elec
Accidental grounds in a shipboard electrical system must be repaired as soon as possible as they will （）Aresult in immediate power outagesBdamage circuit breakersCappear on the ground detection systemDdamage insulation and may cause outage