液化石油气钢瓶充装后，由质量检查员（）进行质量称检复验，复验结果和检查员姓名等内容要如实记录到钢瓶检查登记表中。 随机抽查。 逐批抽查。 按比例抽查。 逐只。
A retail customer has a database application that is accessed by a large number of people through a web interface from multiple remote locations. Which questions will provide the information necessary to design the best performing storage solution of the following？（） How many web servers will be connected to the database？。 How many concurrent applications will run against the database？。 How many concurrent users will be accessing the database？。 What are the types of transactions run against the database？。
ABB变频器中，有源CROWBAR切入条件为（） 直流母线电压超过1210V。 直流母线电压超过1220V。 直流母线电压超过1110V。 直流母线电压超过1120V。
按GB7588-2003《电梯制造与安装安全规范》规定，电梯额定（）速度时，可采用瞬时式安全钳装置。 υ＜0.75m/s。 υ＜1.0m/s。 υ≤0.63m/s。 υ≤1.0m/。
An installed customer has developed human resource constraints in the IT department. Which of the following allows the sales professional to proceed with future sales？（） Proof of concept。 Volume sales discounts。 ServicePacs。 Industry leading technology。
120―1型控制阀主阀安装面局减室排气限制孔为（）。
