Fresh water from the mains supply is added to Tank 4 to replace lost water.

總管導入的新鮮水從第4個槽桶注入欧美视频二区网站，來補給被工件帶走的流失水。

The results showed that the American shad fingerlings stopped opercular movement less than half an hour after anesthetia when the fish were exposed to concentration of MS-222 at 75mg/L, clove oil at 20mg/L and bezocaine at 40mg/L. The fish recovered to normal behaviors again after exposed in air for less than 10min when transferred into fresh water. The shad fingerlings had good anaesthesia for more than 12h at 20-30mg MS-222/L, 8-10mg/L clove oil and 20-30mg/L benzocaine. The anesthetic effects were enhanced at high water temperature and changed with fish sizes. Small fish were more easily in good anaesthesia than the bigger one in MS-222 while the opposite case was found in clove oil and in benzocaine.

麻醉試驗結(jié)果表明：在較高麻醉濃度（MS-222為75mg/L以上，丁香油為20mg/L以上，苯唑卡因為40mg/L以上）下亚洲精品元码久久久久，魚很快（30min內(nèi)）停止鰓蓋張合運動，且停止鰓蓋運動的魚在空氣中暴露一定時間（10min內(nèi)）后也能夠復蘇欧美老妇乱子；在適宜的麻醉濃度（Ms-222為20~30mg/L国产一级a爱做片就在线看，丁香油為8~10mg/L；苯唑卡因為20~30mg/L）下91精品在线观看视频，魚能夠進入麻醉狀態(tài)久久久久久精品免费免费xav，且能保持很長時間(12h)；麻醉效果隨著水溫的升高而增強欧美乱强伦；在20mg/L MS-222麻醉劑下黄色网站淫乱片，小規(guī)格魚較大規(guī)格魚更容易進入麻醉狀態(tài)，而在10mg/L丁香油和20mg/L苯唑卡因麻醉劑下久久久久久久久久久精品人妻，小規(guī)格魚卻難進入麻醉狀態(tài)。

The principles of osmotic pressure is applied in the process of converting sea water to fresh water.

滲透壓原理被利用在把海水變成淡水的過程中西西人体大胆午夜视频。

Wetland refers to natural or artificial, permanent or temporary marshes, peat bog and waters( motionless or flowing, fresh water or salt water) including sea area no deep than6 m in low tide.

濕地是指天然或人工的国产一级免费黄色网站、久或暫時性的沼澤地、炭地和水域（靜止或流動毛片免费看无码喷水高潮A、水或咸水水體）包括低潮時水深淺于6米的海水區(qū)噜噜色噜噜。

Wetland refers to natural or artificial, permanent or temporary marshes, peat bog and waters(motionless or flowing, fresh water or salt water) including sea area no deep than 6m in low tide.

濕地是指天然或人工的、永久或暫時性的沼澤地色哟哟在线无码视频播放、泥炭地和水域（有靜止或流動www小视频在线观看、淡水或咸水水體），包括低潮時水深淺于6米的海水區(qū)激情视频在线观看。

Wetland refers to natural or artificial, permanent or temporary marshes, peat bog and waters (motionless or flowing, fresh water or salt water) including coastal seawater areas no deep than 6m in low tide.

濕地指天然或人工国产精品va在线观看一，長久或暫時性的沼澤地，泥炭地或水域地帶和水域（一動不動或流動国产在线观看黄A片免费网站，淡水或海水）包括沿海海水地區(qū)沒有超過6米深低潮2018偷拍视频。

Any of various long,snakelike,scaleless marine or freshwater fishes of the order Anguilliformes or Apodes,especially Anguilla rostrata of eastern North America or A.anguilla of Europe,that lack pelvic fin s and characteristically migrate from fresh water to salt water to spawn.

鰻任一種長的蛇形的無鱗海洋或淡水魚，尤指產(chǎn)于北美東部的扁平鰻鱺屬或歐洲的鰻屬欧美一级免费，都缺少腹鰭欧美野外打野战A片视频，并且是典型的從淡水中遷居到鹽水中產(chǎn)卵

Retting of the hemp was performed with fresh water and sea water separately,and their degumming effects were compared.

采用海水和清水對大麻纖維浸泡脫膠，并比較了其脫膠效果黄色网站高潮视频免费观看。

Access to fresh water is difficult, so a filthy barrel is used to store rain water; large canvases have been placed over the roofless home to shield it from the wind and rain.

獨居住在簡陋住屋的阿公玖玖玖无码视频，沒有自來水免费黄色网址久久，得靠水桶接雨水過日子，沒有屋頂日本黄色视频日本黄色视频，只有帆布遮風避雨久久久久久久久久久久久。

They have been designed to operarate in salt water as well as fresh water and are designed to handle moderate ocean conditions.

海豚飛艇被設計成能夠在淡水和咸水中運行，它們能夠在波浪不大的海面上行駛jiZZZ3。