简述浆纱工程。
Which of the following procedures decreases the total dissolved solids concentration in the water of an auxiliary boiler?（） Hydrazine treatment of condensate。 Frequent compounding。 Chemical cleaning。 Bottom blowing。
全*省农信社服务标准是100-1=0。客户1%的不满意就等于100%的不满意。
Failure of the burner flame in an auxiliary boiler would probably be a result of（） water in the fuel oil。 broken high tension leads。 incorrect electrode setting。 full fuel pressure at the nozzle。
实验室经常用来沉淀核酸的试剂是（） 硫酸铵。 乙醇。 苯酚。 氯仿。
For any given pedestal crane，when the boom is lengthened，the lifting capacity is（）.
