單項(xiàng)選擇題

A main bearing consists of two shells which are secured by means of studs and （）.

A.tie rods
B.through bolts
C.lead wires
D.bearing caps

你可能感興趣的試題

單項(xiàng)選擇題

A lubricant often has to perform many duties in any situation, in addition to its fundamental job of （）.

A.resisting oxidization
B.reducing friction
C.promoting moving speed
D.developing inertia

單項(xiàng)選擇題

A level gauge for a tank is to （）.

A.give the pressure
B.give the contents
C.give the shape of the tank
D.give the accuracy level

<table id="t6v65"><menuitem id="t6v65"><ins id="t6v65"></ins></menuitem></table>