A、ground the board
B、avoid reversing the polarity of the leads
C、isolate sensitive components with heat sinks
D、all of the above
更多“To avoid damaging the components of a printed circuit board when testing it with a DC volt-ohmmeter, you should （）”相关的问题
A、to ensure the safety of the ship and protect the cargo from being damaged B、to avoid the rearrangement of the cargo loaded on board C、to reject the damaged cargo during loading D、to prevent the spontaneous combustion of coal and grain
A、Keep the loads as close to the rail or deck as possible B、If cargo is likely to settle，make provisions to secure it after it has settled C、Thoroughly secure and shore all cargo so that it cannot move D、hen stowing cargo，avoid leaving empty paces
A、It aims to ensure safety at sea B、It aims to avoid damage to the environment C、It aims to prevent human injury or loss of life D、It aims to provide a method to run a company
A、A.safety at sea B、B.prevention of human injury or loss of life C、C.avoidance of damage to the marine environment and to property D、D.all of the above
A、to avoid the rearrangement of the cargo loaded on board B、to ensure the safety of the ship and cargo C、to reject the damaged cargo during loading operation D、to prevent the spontaneous combustion of coal and grain
A、to avoid the rearrangement of the cargo loaded on board B、to ensure the safety of the ship and cargo C、to reject the damaged cargo during loading operation D、to prevent the spontaneous combustion of the coal and grain
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