下列哪些业务招商银行不得受理他人代办申请的有（）。 ["一卡通开户","国际借记卡申请","国际借记卡开户","密码挂失","文件数字证书申请","移动数字证书申请"]
A marine chemist issues gas free certificates and is certified by which organization? （） ["Mine Safety Appliance Association","American Chemical Society","Marine Chemists Association","National Fire Protection Associatio"]
气胀式救生筏结构主要有（）。 ①筏体 ②蓬柱 ③蓬帐 ④筏底 ⑤附属设备 ["①②③","①②③④⑤","①②③⑤"]
气胀救生筏的登筏平台与筏体（）部分相连接。
A low pressure annular preventer which is used to direct flow of kick fluids away from the rig floor is called a （）. ["dump valve","deflector","separator","diverter"]
简述淋巴管回流受阻。
