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宽银幕电影
我国在环境噪声污染防治方面颁布的第一个综合性环境噪声标准是()
MMSC是将MMS信息从发送者传递到接收者的存储和转发网络元素。
过冷现象
无压管道严密性试验可按管道井段数量抽样选1/3进行试验;试验不合格时,抽样井段数量应在原抽样基础上加倍进行试验,是指管道内径大于()mm时。
制作义齿时进行间接法软衬正确的操作是( )。
列车被迫停车可能妨碍邻线时,车辆乘务员除了在列车尾部附近点燃火炬外,还应对邻线来车方向短路轨道电路。
患者,女性,29岁,孕6个月余,今日晨起突发畏寒、发热,测体温39.5℃,伴疲乏无力、恶心、呕吐、下腹部不适,排尿时有烧灼感。门诊查血常规示白细胞计数和中性粒细胞计数均升高,尿常规见白细胞管型。查体有肾区叩击痛(+)。入院诊断为"急性肾盂肾炎",该患者发病的易感因素是()。
以下哪项工作不包括在食源性疾病监测工作中()
道床伤亡处置过程中应遵循“先通后复”原则。
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The amount of freeboard which a ship possesses has a tremendous effect on its().
freeboard()
The Certificate of Freeboard is the ().
The freeboard is more than 9 metres. ()
()refers to the paint on the freeboard.
If the freeboard is more than 9 meters, we should rig().
If the freeboard is less than 9 meters, we should rig().
Freeboard is measured from the upper edge of the().
Freeboard is measured from the upper edge of the().
Freeboard is measured from the upper edge of the().