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第1题:
A.lsps -a
B.showps -a
C.psdisplay -l
D.swaplist -ALL
第2题:
______ of the following statements is(are)correct regarding motor lifeboats on cargo vessels.① The motor of each lifeboat shall be operated in the ahead and astern position for a period of not more than 5 minutes once in each week;② The fuel tank of all motor-propelled lifeboats shall be emptied and the fuel changed at least once in every year.
A.① only
B.② only
C.Both ① and ②
D.Neither ① nor ②
第3题:
A.much initial current
B.direct current
C.little initial current
D.constant current
第4题:
pure motor hemiparesis
第5题:
执行指令()可实现STR12-280机器人左右平移步进电机向左平移10000步。
第6题:
Leakage of hydraulic fluid from around the shaft of a hydraulic motor may be caused by ______.
A.permanent loss of pump suction
B.worn shaft seals
C.high level in the oil sump
D.low motor RPM
第7题:
第8题:
A.prime mover speed
B.number of energized main motor poles
C.propulsion generator field strength
D.electric coupling field strength
第9题:
实现STR12-280机器人升降步进电机下降10000步的是()。
第10题:
molecular motor (分子发动机)