根据寒地水稻特点,依据井灌区和地表水灌区的特点,选用()、()、()的优良品种。
If you are unable to stop a diesel engine by any other means,you should(). ["discharge a CO2<\/sub> extinguisher in the air inlet","pull off the distributor cap","secure the jacket water","secure the starting air supply valve"]
预约转存适用于以下哪种国债()。 ["凭证式国债","记账式国债","无记名国债","储蓄国债(电子式)"]
看板管理系统中,“取货指令”的使用规则是()。 ["前一道工序根据“看板”的种类和数量生产","逐步增加看板数量","后一道工序按照“看板”到前一道工序去领产品","必须生产百分之百的合格品"]
When separating lube oil separator, the optimal separating quantity is()of the rated quantity on name plate. ["100%","1\/2","1\/5","1\/3"]
船上的信号装置主要有各类()、()、()、()等。