探讨油罐清洗作业的安全技术措施

蝉儿在鸣叫.（改成拟人句）是拟人句 多媒体技术名词解释 BMP格式图像文件 急!先回答出来的就采纳哦现有一种泉水样品,1.0L这种泉水含有4.8乘以10的负2次方克Mg离子.那么,该泉水中Mg离子的物质的量浓度是多少?含1.0molMg离子的这种泉水的体积是多少升?要过程 运往某海港的两批物资,第一批315吨,用9节火车车皮和15辆卡车正好运完;第二批366吨,用12节火车车皮和2辆卡车也正好运完.设平均每节车皮和每辆卡车各运x吨、y吨,则可列方程组____________________ 看不懂怎么写怎么写 怎么打女字旁我想打一个只占半个字符的女字旁怎么打? 问一道看不懂的初一数学题已知：A=2X的二次方+3ax-1 ,B=-X二次方+ax-1,且3A+6B的值与X无关,求a的值 一个看不懂得初一数学题 二元一次方程组用白铁皮做罐头盒,每张铁皮可制作盒身16个,盒底43个,一个盒身与两个盒底配套成一个罐头盒,现有150张白铁皮,问多少张铁皮制盒身,多少张铁皮制盒 怎么写?谁第一个回答采纳就给谁. ( )that pair of ( )a little cheaper? A:( )that pair of ( )a little cheaper?A:is,glass B:are,glass C:is,glassesD:are,glasses 这一面怎么写?第一个回答必采纳. It's my birthday ,Would you like to have d with me那个"d"后面填什么? My new glasses cost me ( )the last pair that i bought为什么答案是：three times as much as 怎么写,第一个回答的给采纳 带“比”字的贬义词 带门字的贬义词有哪些!越多越好! “天上九头鸟,地上湖北佬”是指湖北人的哪一点? 天上九头鸟,地上湖北佬.简说意思 “天上九头鸟,地上湖北佬”是形容湖北人的什么 the coat next to mine is Jacky's 对jacky's进行提问.怎么the coat next to mine is Jacky's对jacky's进行提问. 女字旁的褒义词和贬义词 )tourists go to hainan for holidaysa,many b,severalThe teacher( )his student,"you are good"a,encouraged b,encouraged in c,practicedpraised怎么不对呢?c,是 我打错了是不是a和c都可以 包邮是什么意思? 不包邮是什么意思 包邮和不包邮是什么意思? 填空Yesterday,Mary and i ______(代表）our school,went to the airport to pick up visitors 大家帮忙看看我写的这句英语有没有错I am glad to hear that your company is recuiting people who are capable,I wish I can join your company and do as much contribution to your company as I can.It will be my honor to talk to you face to I like ()best ,because flowers come out in this season.a:spring.b:autumn.c:winter.d:summer. 天上九头鸟, Jimmy said sorry to me because he'd broken my glasses=Jimmy ____ to me for ___ my glasses 首字母填空 1.Winter is the most d___driving season due to many reasons.2.If you drive,it takes l___to stop the car.So,remember that every time you start or s___your car or bike.两道题目是同一篇文章里的,谢谢 六1班种了200棵树,六2班种了100棵,六1班比六2班多种百分之几?