In the use and maintenance, in place non-explosive power open end surface for maintenance and pry on the explosion hit.

在運(yùn)用修理中992tv国产精品，在易爆場面嚴(yán)禁通電開蓋修理和對隔爆面實(shí)行撬打。

The use of porous prolled ANFO explosives prill in the experiment of open chamber blasting helps to solve a series of problems in the process of using ammonium nitrate fuel such as its liability to stick to the hole wall and the difficulty in loading explosive power etc.

在露天藥壺爆破中試驗(yàn)使用多孔粒狀銨油炸藥国产精品无码一级二级三级，解決了使用粉狀銨梯炸藥時(shí)因藥粉易粘孔壁人人上人人插人人操、裝藥困難等原因引起的一系列問題，提高了爆破作業(yè)的安全性和爆破效果www.91视频.com，降低了爆破成本。

Nor is explosive power the only measure of a volcano's spitefulness.

爆發(fā)性也不是唯一衡量火山破壞性的方式三级片视频黄片。

Nor is explosive power the only measure of a volcano's spitefulness. The eruption of Laki, an Icelandic volcanic fissure, in 1783 sent poisonous gases across Europe.

然而爆發(fā)力不是衡量火山威力的唯一標(biāo)準(zhǔn)日韩在线二区网站。1783年，冰島萊基的火山裂縫曾排出有毒氣體日本色区，并使其遍布?xì)W洲无码超碰一区二区。

Every element of the physical fitness of all students in 2005: 1 There are no significant difference of tallness and weight in different grades of girls and boys. 2 The younger of girls have better flexibility performance; but the boys are opposite. 3 The elder girls and boys have better muscular strength and endurance performance. 4 The elder girls and boys have better leg explosive power performance. 5 The younger girls have better cardiovascular endurance performance; but the boys have no significant difference because of the age.

二、九十三學(xué)年度學(xué)生各項(xiàng)體適能：1九九精选视频、不同年級(jí)女欧美国产精选、男生沒有身高或體重的差異。2在线视频福利第一网、年紀(jì)小似乎比年紀(jì)大的女生柔軟度為好91三级片在线视频观看；男生則反之。3婷婷五月天,丁香、女生舊生的腹肌肌力與肌耐力皆比新生為好一级黄色视频高潮；年紀(jì)最小的男生腹肌肌力與肌耐力的最差。4泰州毛片、女生舊生下肢瞬發(fā)力較新生的表現(xiàn)為好亚洲,日韩,欧美小说视频；年紀(jì)較大的男生下肢瞬發(fā)力比年紀(jì)輕的表現(xiàn)為好。5精品欧美色视频网站在线观看、年紀(jì)較小的女生心肺功能較年紀(jì)較大的表現(xiàn)為好人人插人人做人人干；男生則不因年紀(jì)而有差別。

Theywere charged with pyroxyle, taking into consideration its explosive power,which, as has been said, is four times that of ordinary powder: theprojectile to be fired was cylindroconic.

前面已經(jīng)說過另类亚洲欧美专区第一页，棉花火藥的爆炸威力相當(dāng)于普通火藥的四倍五月丁香激情久久，他們考慮到這一點(diǎn)，然后給大炮裝上適當(dāng)量的棉花火藥亚洲国产欧美日韩欧美2016。炮彈是圓錐筒形的国模AV偷拍。

The explosive power of several detonating model are compared to find the most powerful one.

這兩者是在沒有結(jié)構(gòu)物存在的情況下亚洲欧美午夜精品，炸藥在無限水域中爆炸性能的模擬。

But I never dreamed of the much more explosive power of the Saturn V rocket that one day would send me to the Moon.

但是我從來沒有夢想到有一天土星五號(hào)火箭會(huì)用強(qiáng)大得多的爆發(fā)力把我送上月球青青青国产在线精美视频。

And to help you shoot down those enemy spheres, Luxor 2 features more explosive power-ups than ever before.

Download Mac Version 并幫助你擊落敵人的那些領(lǐng)域啊快射满了在线观看视频无码一区，盧克索2特色更具爆炸性的權(quán)力之比以往任何時(shí)候都。

These could yield up to 250 kilotons explosive power (depending which kind of weapon was used).

它們可產(chǎn)生2.5萬噸當(dāng)量的爆炸威力(具體情況取決于所使用的核武器類型)欧美在线a片黄色a片。