种子贮藏方法有干藏和湿藏，适宜干藏的是（）的种子，适宜湿藏的是（）。
A型设备支架适合安装（） ["在普通钢质舱壁上固定设备","适于支脚要求较长的情况下安装电气设备","适于安装重型电气设备","适于铝质舱壁上安装电气设备"]
Many vessels are provided with flume tanks，which also have a dump tank located under the flume tanks. In the event the ship is damaged，you could dump the flume tanks into the dump tank which would（）. ["reduce the free surface effect and raise the KG","not have any effect on free surface and raise the KG","reduce the free surface effect and lower the KG","not have any effect on free surface and lower the KG"]
L型的电缆支架属于（） ["A型电缆支架","B型电缆支架","C型电缆支架","D型电缆支架"]
《电业生产事故调查规程》中危险生产区域是指哪些地方？
净种的方法有（）、（）、（）和（）等。
