A、copper and antimony
B、steel and babbitt
C、aluminum or beryllium alloy
D、zinc or an alloy of tin and lead
更多“The part of a fuse that melts and opens the circuit is made of （）.”相关的问题
A、last part of the exhaust stroke, and the first part of the intake stroke B、last part of the intake stroke only C、early part of the injection stroke only D、early part of the power stroke
A、higher than that of copper B、lower than that of copper C、equal to that of copper D、reached when the conductor it is protecting becomes "white hot"
A、one-millionth part of a second B、one-thousandth part of a second C、one-hundredth part of a second D、one-tenth part of a second
A、A.all the fall except the hauling part B、B.the hook that engages the weight to be moved C、C.that part to which power is applied D、D.that part of the falls made fast to one of the blocks
A、A.for the part B、B.for the whole C、C.for the parts of damage not due to causes within the exception D、D.for the parts of damage due to causes within the exception
A、The forward part of a vessel on the starboard side is called starboard quarter. B、The aft part of a vessel on the starboard side is called port quarter. C、The aft part of a vessel on the port side is called port quarter. D、The forward part of a vessel on the port side is called port quarter.
A、Check the corresponding (left versus right) parts of the body B、Watch the patient's eyes as you probe parts of the body C、Look for discoloration of the patient's skin D、Look for uncontrolled vibration or twitching of parts of the body
A、overload B、the odds of the load C、the default of parts D、overload and the odds of the load
A、all of the parts，dividing the load equally B、the hauling part because it must absorb the frictional losses of all the sheaves C、the parts in the movable block D、the standing part because it is directly connected to the weight
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