可编程控制器的输出有三种形式:一种是晶闸管输出、一种是继电器输出、晶体管输出。 ()
查看答案
Wefindyourterms___andnowsendourorderfor3setsofGenerators.
A. satisfied
B. satisfaction
C. satisfactory
D. ofsatisfaction
___heavycommitments,wecannotacceptanyfreshorders.
A. Owingto
B. Since
C. because
D. Inaddition
Wecanhardly___anyagreementwithyousinceyourcounter-offeris___tous.
A. reach,accepted
B. reach,unacceptable
C. arrive,accepting
D. arrive,acceptable
Wearegladthatthedealfor10000cansofTeahasbeenbroughttoa___.
A. conclude
B. conclusion
C. concluding
D. concluded