【简答题】某液化石油气站一台在用的液化石油气储罐,材质为16MnR,规格为φ2000mm×18mm,其结构如图所示。要求对该容器人孔接管C、D类焊缝外表面进行100%磁粉检测,检测标准为JB/T4730.4-2005,采用中等灵敏度探伤,合格级别为Ⅱ级,请回答下列问题。 现有如下探伤设备与器材:
1、CJE-1单磁轭探伤仪(交流电,磁轭带活动关节)。CDD-1000交流磁粉探伤仪,该探伤机配置长3m的软...
【单选题】(8) u5 listening 8.mp3:
【单选题】(7) u5 listening 7.mp3:
A.
Start the computer again.
B.
Check the connections.
【判断题】草莓型身材的女生由于肩宽,应该多选择一些垫肩、有肩部装饰的衣服进行遮挡。
【单选题】(4) u5 listening 4.mp3:
A.
The man works in the city center.
B.
The man wants to live in the suburbs.
C.
The woman works in the suburbs.
D.
The woman lives in the city center.
【单选题】(5) u5 listening 5.mp3:
A.
They can't agree on the price.
B.
The man's order is too small.
C.
The man asks for earlier delivery.
D.
They disagree on the discount.
【单选题】(10) u5 listening 10.mp3:
【单选题】(9) u5 listening 9.mp3:
C.
A recommendation letter.