更多"Escherichia coil是（）"的相关试题:
[单项选择]The coil of wire rotating in the magnetic field produces the（）.
A. voltage
B. current
C. power
D. frequency
[单项选择]The boiler water alkalinity in a coil-type auxiliary boiler should be maintained at the pH recommended by the boiler manufacturer to（）
A. precipitate silica from solution
B. reduce corrosion in the heating coil
C. prevent clogging and erosion in the coil
D. maintain zero water hardness
[单项选择]In order to correctly open a new coil of manila line，you should（）.
A. pull the tagged end from the top of the coil
B. pull the tagged end through the eye of the coil
C. secure the outside end and unroll the coil
D. unreel the coil from a spool
[单项选择]A fluid coil will （） large quantifies of heat when it changes state from a liquid to a vapor.
A. release
B. absorb
C. develop
D. regenerate
[单项选择]A new coil of nylon line should be opened by（）.
A. pulling the end up through the eye of the coil
B. taking a strain on both ends
C. uncoiling from the outside with the coil standing on end
D. unreeling from a spool
[单项选择]Aboard ship, a grounded field coil in an AC motor can be determined by using a （）.
A. portable growler
B. galvanometer
C. visual inspection
D. megohmmeter
[单项选择]A fluid coil will （）large quantities of heat when it changes state from a liquid to a vapor.
A. release
B. absorb
C. develop
D. regenerate
