锅炉和内压力容器有什么区别

求回答,学渣不会,求大神! 阿...帮帮我这个学渣阿 ||X﹏X 帮帮学渣渣 求第4题解答 芜湖供电公司分时电价执行时段分为平、谷两个时段,平段为8：00~22：00,14小时,谷段为22：00~次日8：00 芜湖供电公司分时电价执行是分为平、谷两个时段,平段为八点到22点,谷段为22到八点芜湖供电公司分时电价执行是分为平、谷两个时段,平段为8：00-22：00,14小时,谷段为22：00-8：00,10小时,平段 某城市供电公司分时电价按平、谷两个时段执行,平段为8：00~22：00,14小时,谷段为22：00~次日8：00,10h,平段用电价格在原售价上上浮0.03元/千瓦时,谷段在原售价上下浮0.25元/千瓦时,小名5月份使 按照智力测验的标准,智力超常儿童的智商最低临界值应是 已知二次函数y=x²-mx+1,当x大于2时,y随x增大而增大,求m满足的条件. 用什么植物来比喻母爱最恰当 什么东西能比喻母爱如 荷花,太阳为什么能比喻母爱 把比喻和被比喻事物恰当地连起来A、大地像用银子铺成的.B、好似银光千点.C、在水面上像架起一座座颤抖着的银桥.D、好像一瓣银色的橘子.E、我们身上仿佛盖上了一张网似的.淡淡的大明月 有带图的题怎么办啊甲盒中放有180个白色围棋子和181个黑色围棋子,乙盒中放有181个白色围棋子,李平每次任意从甲盒中摸出两个棋子,如果两个棋子同色,他就从乙盒中拿出一个白子放入甲盒； 题在图上,求带过程,谢谢. 带图那个题, 龙猫为什么那么贵..? 供电公司分时电价执行时段分为峰,谷两个时段,峰段为8：00-22：00（14h）,谷段为22：00-次日8：00（10h）峰段用电价格在原售电价基础上每千瓦时上浮0.03元,谷段电价在原售电价基础上每千瓦时 价格便宜的龙猫跟贵的龙猫有什么区别我想养一只龙猫,我想问一下,价格便宜点的龙猫跟贵的龙猫有什么区别? 设宇航员在某行星从高35m处自由释放一重物,测的在最后一秒内通过的位移为14m?设宇航员在某行星从高35m处自由释放一重物,测的在最后一秒内通过的位移为14m,则重物下落的时间是多少?该星 龙猫的毛色遗传史显性还是隐性的?两只标灰的龙猫能配出其它毛色的后代吗? 如果龙猫标灰跟银斑交配会生出银斑吗?如题~生出银斑几率有多少? 请问高智商最低临界值是130还是140呢? 椭圆x2/loga8+y2/9=1的离心率=1/2 则a为多少 一块砖的底面积是3000平方厘米,高是4厘米.砌一面墙用了1500快,这面墙至少占多大的空间? 椭圆x2/（k+8）+y2/9=1的离心率e=1/2,k的值 How much ____________ this skirt?A am B is C are D beHow much ______the shoes?A am B is C are D beHow much __________this pair of socks?A am B is C are D beWhat is the ___________of your sweater?A color B size C price D style 英语选择题!急!1.They ____ two free tickets to Canada , other wise they'd never have been able to afford to go .A.had got B.got C.have got D.get2.About 87.5% of the Chinese people feel that their living burdens are heavier than ten years ago It was reported that the government and the troops _____ the victims and the earthquake-stricken areas in Qinghai province.A .relaxed B.relived C.guarded D.freedThe young man was driving his new car,bought in the three days ago,ih the ____of the airp 6.Regular exercise can you against heart disease.A.fight B.protect C.keep D.support7.Over a hundred people expressed their worries,but were willing to help.A.some B.many C.few D.little8.You can't do anything else until you your homework.A.finished B. 英语选择题急!1.___________50 dollars buying that dress yesterday.A.It took me B.It cost me C.I took D.I spent2.We must not walk____________the grass in the park.A.cross B.across C.from D.through3.I'm sorry.I can't____________it clearly.What doe 母爱像 ,可以比喻成什么 有(幸福)比喻的母爱句子