In Alma it states,"Yea, he had been strengthening the armies of the Nephites, and erecting small forts, or places of resort: throwing up banks of earth round about to enclose his armies…the Nephites were taught…never to raise the sword except it were against an enemy… they had cast up dirtround to shield them from the arrows…the chief captains of the Lamanites were astonished exceedingly, because of the wisdom of the Nephites in preparing their places of security…they knew not that Moroni had fortified, or had built forts of security in all the land roundabout …the Lamanites could not get into their forts of security…because of the highness of the bank which had been thrown up, and the depth of the ditch which had been dug round about…they began to dig down their banks of earth…that they might have an equalchance to fight…instead of filling up their ditches by pulling down banks of earth, they were filled up in a measure with their dead…And caused them to erect fortifications that they should commence laboring in digging a ditch round about the land…And he caused that they should build a breastwork of timbers upon the inner bank of the ditch: and they did cast up dirt out of the ditch against the breastwork of timbers".

在阿爾瑪書說：『他加強了尼腓人的軍隊中国大陆高清aⅴ毛片，建造了小型堡壘东南亚无码出在线，或憑藉處所；在周圍筑起了堤岸來拱衛(wèi)他的軍隊……尼腓人已被教導(dǎo)……除非抵抗敵人欧美亚洲综合卡通另类，決不舉起劍來……他們在周圍堆上了污泥來防避拉曼人的箭……這時拉曼人的總隊長們非常的吃驚玖玖视頻，由於尼腓人在準(zhǔn)備他們的安全處所上所表現(xiàn)的智慧……因為他們不知摩羅乃已在周圍各地的每一個城巿建筑了防御工事，或防御堡壘……拉曼人除了經(jīng)由入囗處外九九九色视频，無法進入他們的防御堡壘欧美性爽欧美精品一，因為那土岸已堆得很高，那周圍的壕溝已掘得很深……他們就開始去掘他們的土岸黄色网站免费观看。，使他們也能得到一條通往他們軍隊的小路婷婷综合五月天丁香激情，使他們能有一個均等的作戰(zhàn)機會……非但沒有推倒土岸來墊沒他們的壕溝，反而將他們死者和傷者的身體墊進了不少……并吩咐他們建筑防御工事……他吩咐他們在濠溝的內(nèi)堤上建造一道木頭的胸墻亚洲观看精品一区二区在线；他們從濠溝中挖出污泥來这男人看的黄色视频。成年人看的黄色视频。，靠著木頭胸墻堆起來

QUOTE:"Yep.Burrowers to catch a burrower," he said.

用會掘洞的怪物去抓同樣會掘洞的怪物，他說免费三A级毛片。

"Yep. Burrowers to catch a burrower," he said.

"對射射人人。用會掘洞的怪物去抓同樣會掘洞的怪物，"他說级A现看免费黄色视频。

QUOTE:"Yep. Burrowers to catch a burrower," he said.

"對把女人弄爽A片视频。用會掘洞的怪物去抓同樣會掘洞的怪物，"他說狼友视频首页x。

Well, to take away this discouragement, I resolv'd to dig into the surface of the earth, and so make a declivity .

為此精品高清久久久久久久久，我決定把地面掘起，掘出一個向下的斜坡欧美日韩国产黄片。

To take away this discouragement , I resolved to dig into the surface of the earth, and so make a declivity.

為了掃除這個障礙久久精品视频九九，我決定把地面掘平很黄很黄的免费视频在线观看，掘成一個向下斜的土坡。

A level, narrow stretch of land interrupting a declivity .

為此黄色视频在线流畅，我決定把地面掘起老熟女色色视频，掘出一個向下的斜坡。

And they digged in the torrent, and found living water.

依撒格的仆人在山谷中掘井時免费黄色A片网站视频，掘了一口活水井精品国产一级毛片在线看。

The soil cutting experiment indicates that the interior friction angle and the shear intensity of soil is reduced;and the maximum principal stress is decreased due to the vibration load;it induces the decrease of digging resistance.

從理論上研究了振動掘削巖土的減阻機理，土壤剪切試驗結(jié)果表明天天干天天透天天日，振動載荷能夠使土壤的內(nèi)摩擦角變小客人的黄色一级片操操操、抗剪強度下降、最大主應(yīng)力值減小精品视频在线观看九九，從而導(dǎo)致挖掘阻力降低日韩大陆一区二区三区在线观看AV；對土壤在靜態(tài)載荷和振動載荷作用下的失效過程進行了對比仿真實驗研究，可知土壤在振動加載的條件下強度顯著下降欧美色色超碰，并提前于相同條件的靜態(tài)加載而破壞7777色综合，同時跟蹤X方向的載荷發(fā)現(xiàn)，振動掘削最大掘削阻力可降低50%亚洲人人级。

According to study on fully-mechanized coal winning machine research, application and type selection,fully-mechanized drivage technology transformation in complicated geological conditions, fully-mechanized coal winning machine matching systems transformation, and high-stress roadway fast support technology, additional benefits due to normal production replacement are ensured.

通過綜掘機的研究應(yīng)用及選型国产在线播放线视频、復(fù)雜地質(zhì)條件下綜合機械化掘進技術(shù)改造、綜掘機配套系統(tǒng)的改造及高應(yīng)力巷道快速支護技術(shù)等研究在线精品日韩一区二区美女，保證了正常生產(chǎn)接續(xù)所帶來附加效益中文一级免费视频；單進水平逐年提升，在華豐煤礦21603下平巷亚洲黄黄，煤層傾角25°～26°條件下久草欧美，創(chuàng)造出薄煤層半煤巖巷月進尺631 m，日最高進尺28.8 m的紀(jì)錄国产女人天天弄高清免费；隨著綜掘機的不斷引進以及快速掘進成套技術(shù)的大范圍推廣應(yīng)用日韩区精品在线，綜掘總進尺占煤巷總進尺的比例由2004年的21.45％上升至現(xiàn)今的 62.34％。