(), where minor repairs are carried out with a ship service, often during a stay in portThis may be remote from a ship repair site. ["voyage repairs","routine docking","damage repairs","conversio"]
A section of the river that is narrower than usual and is often navigable from bank to bank is a(). ["chute","stabilized channel","slough","navigable pa"]
遣词造句的要求是()。 ["用词要准确,要合乎规范","句子要通顺","句子要符合语言习惯","篇章组织的有条理"]
电话回访的目的是为了()。 ["了解用户对产品的使用情况","调查用户满意度","宣传安全使用知识","催交费用"]
灌溉注意事项有哪些?
怎样给苗木进行根外追肥?