主页
学科
搜索
账户
常见问题
当前学科:油轮船员考试
题目:
单选
测氧仪使用前应对其()校验。
A . 电流
B . 0位
C . 电压
D . A+B+C
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:
头先露中最常见的是()
滚动轴承的温度在正常工作情况下应不超过()。
机组在甩负荷过程中,转速和水压均上升过大,其原因可能是。()
滑差周期Td的大小反映发电机与系统之间()的大小。
以下关于ATM网络的叙述,不合适的是()。
仔细查看下面的这段代码: 这段css代码会改变哪一个标签的样式
我国股份有限公司首次公开发行股票采取()相结合的方式。
1995年,联合国大会通过决议,把每年的(),即《关于消耗臭氧层物质的蒙特利尔议定书》签订纪念日定为“国际保护臭氧层日”。
Sixteen-year-old Maria was waiting in line at the airport in Santo Domingo. She was leaving her native country to join her sister in the United States. She spoke English very well. Though she was very happy she could go abroad, she was feeling sad at leaving her family and friends. As she was thinking all about this, she suddenly heard the airline employee asking her to pick up her luggage and put it on the scales (称). Maria pulled and pulled. The bag was too heavy and she just couldn't lift it up. The man behind her got very impatient. He, too, was waiting to check in his luggage.
外用膏剂药物透皮吸收过程包括()