【摘 要】
：
利用庭院养黄鳝,占地少、养殖快、投资小,100平方米鳝池,年收入相当可观。一、选址建池。利用庭院或坑塘,要求水源充足、无污染、排灌方便,面积10～200平方米。池材不限,但应
论文部分内容阅读
利用庭院养黄鳝,占地少、养殖快、投资小,100平方米鳝池,年收入相当可观。一、选址建池。利用庭院或坑塘,要求水源充足、无污染、排灌方便,面积10～200平方米。池材不限,但应坚固、防渗、防逃。池深1～1.5米,池底铺30厘米松泥砂土,其上
The use of the courtyard to raise eel, small footprint, aquaculture fast, small investment, 100 square meters eel pool, the annual income is considerable. First, the site built pool. The use of the courtyard or pit pond, requiring adequate water, no pollution, irrigation and drainage convenience, an area of 10 to 200 square meters. Any pool material, but should be strong, seepage, anti-flight. Pool depth of 1 to 1.5 meters, 30 cm at the end of the pool shop loose sand, on it
其他文献
G12 0 6型机车是VSFT公司为RAG公司生产的标准大功率液力传动内燃机车 ,它的最显著的特点是功率大、工作可靠、适应重载牵引和调车作业。对该型机车的主要结构部件 ,如柴油机
People are not,so honest as they were once.The temptation to steal is greater than ever before-especially in the large shops.A detective recently watched a wel
秦沈客运专线60kg/m钢轨38号单开道岔设计图技术审查会1月21日在京召开。由铁道部科教司、运输局、设计鉴定中心、建设司、高速办、工程管理中心、工程总公司、铁科院、铁三
1.Jim is one of the foreign students who is good atChinese. 析:关系代词作主语时,从句中谓语动词应和先行词保持一致,先行词students是复数形式,所以将is改为are。 2.T
At a country house in France,there was a littleelephant.The elephant used to come into the dining-room at dinner and ask for food from the visitors. Oneday.whe
When Americans want to refuse an invitation, they usually thank the person who has invited them and apologize for not being able to apcept.Furthermore,they alw
2002年6月1 8日,连接宝峰变电站和罗平变电站的500千伏宝罗线正式投入运行,这是云南第一条500千伏西电东送大通道。大通道的建成,意味着云南电网实现了从220千伏到500千伏超
最近,江苏海门市六匡镇忠义村农民樊义平去年10月开始饲养812只幼鳖,平均称重已在500克左右,引得全国各地的水产养殖专家和和养殖专业户纷纷前往考察、参观。专家们称他的这
二、问题、答案与简析:65.This advertisement is mainly about__.这则广告的主要内容是介绍__A.a seven-day trip to Costa Rica 到哥斯达黎加七日游B.Briar Wood Travel A
在对大型机械线路维修质量统计分析的基础上 ,探讨了提高大型机械线路维修质量的具体途径。
Based on the statistical analysis of the maintenance quality of large mech