主页
学科
搜索
账户
常见问题
当前学科:液压支架(柱)修理工
题目:
单选
以焊条与焊件作为两个电极,利用电极之间产生的电弧热量熔化金属,使两块金属熔合成一体称()。
A . A、埋弧焊
B . B、金属喷焊
C . C、金属极电弧焊
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
阿托品不会引起()
具有养心益肝、安神、敛汗功效的药物是()。
计算题:已知某丁二烯装置原料碳四进料量16.0t/h,第一萃取塔溶剂进料量为125t/h,压缩机返回量2000Nm3/h,抽余碳四采出量8.0t/h,试以物料衡算求第一萃取B塔釜液排出量?(气体比重按2.45kg/Nm3计算)
One carrying vessel was sailing for Singapore from Tianjin. In transit, the vessel caught fire, and the fire spread quickly. In order to protect the ship and goods, the captain ordered to pour water into the space. Later the fire was put out, but the engine was damaged and the vessel had to be repaired. The captain decided to hire a tugboat to drag the vessel to a nearby port to have it repaired. The losses and damages caused by the fire are as follows : (1) 1 000 cases of goods were burnt down; (2) 600 cases of goods were soaked;(3) engine and deck were damaged by the fire; (4) tugboat expenses; (5) fuel expenses and wages paid to the crew. Question : Please analyze the nature of the above losses and expenses. (Translate the case into Chinese and then answer the question)
根据《公司法》的规定,下列关于一人有限责任公司的说法中,正确的有()。
《铁路线路修理规则》铁路局钢轨探伤车在钢轨检查中,发现问题后应怎么办?
关于耐多药肺结核下列说法正确的是()
外管引蒸汽时,下列正确的顺序是()。
当煤层倾角大于12度的采煤工作面采用下行通风时,须报矿总工程师批准,其回采工作面风速最小不得低于()m/s。
印度人以()方式表示赞同。