In the shafting management () should be paid more attention. Ⅰ.f the while metal tailshaft bearing is dripping oil Ⅱ.f some area become blue during the running Ⅲ.he deformation of crankshaft
The ()plates should be scraped and brushed to bare metal.
Metal plates that cover the top of the hawsepipe are called().
The cross-head shoes are white metal lined, grooves being cut horizontally on the face of the white metal to ensure ().
A (n) () is a chemical or electro-chemical attack on the metal surface which may be further increased if the sea-water is polluted.
The metal,teardrop-shaped object sometimes used within an eyesplice is a().
The cross-head shoes are white metal ().
A metal ring on the bottom of a block,to which the standing part of a tackle is spliced,is known as a(n)().
The cross-head shoes are white metal ().
通常MMC(metal matrix composite)()