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- second grade pressure reducer 二级减压器
- Her son skipped the second grade. 她儿子从一年级跳到三年级。
- Sergio: A second grade life is deplorable. 塞吉奥：次等生活令人遗憾。
- The star student of the second grade is a moral outcast. 二年级的尖子是个地地道道的流氓。
- The parents want their child to skip to the second grade. 这家父母希望他们孩子能跳级到二年级。
- I'll never forget my favorite teacher from second grade,Miss Gnagy. 我永远不会忘记从二年级开始教我的居亚吉小姐，她是我最喜爱的老师。
- The novelty of going to second grade quickly eroded to a dull ache. 当二年级小学生的新鲜感很快就蜕变成一种沉闷的苦痛。
- A second grade wind makes the tips of the branches tremble slightly. 二级风可使树枝轻微颤动。
- Parents want their child to skip to second grade the day he enters school. 做父母的在其小孩入学那一天便希望他能跳升到二年级。
- Check the pressure-gauge on the FRL air input unit (Filter Pressure Reducer Lubricator), which should remain within a range of 6 to 8 bar. 检查压力测量在FRL空气输入装置(过滤器压力还原剂防喷管),哪些应该保留在6的范围到8酒吧之内。
- Jeff: Does that mean that the winners of the second grade can not get the cup? 杰夫：第二名的优胜者不能捧杯吗?
- When my son was in second grade I was the leader of his Cub Scout Den. 我儿子二年级的时候我成了他们幼年童子军的领队人。
- He started schooling at 6 and went to the second grade at the age of 7. 他6岁开蒙，7岁就读小学2年级了。
- If you pass this test, we'll grant your request of skipping the second grade. 如果你通过这次考试，我们就同意你的要求，让你跳过二年级。
- Only if the gas pressure were above the maximum value allowed by regulations (400 mm.W.C.) would it be necessary to install a pressure reducer on the gas pipeline outside the heating plant. 根据规程当气体压力大于允许的最大压力（400mm水柱），在加热设备（译注：如锅炉-燃烧器装在上的加热设备，不能译成加热工厂）外面气体管道上需要安装减压器。
- No relief valve is required where two pressure reducing valves are installed. 如果装上两个减压阀，就不需要安全阀。
- Her name is Long Gan, Miao Tribe, twelve years old, second grade at Wen Xian Elementary School. 她是龙根，苗族，今年十二岁，文贤三小二年级学生。
- In second grade, your idea of a good friend was the person who helped you stand up to the class bully. 在二年级时,你心目的好朋友会帮助你勇敢地反抗班上坏小子。
- Hand wheel,lever and spanner driving and safety valve,pressure reducing valve,traps overleap this symbol. 注：1、手轮、手柄和扳手传动以及安全阀、减压阀、疏水阀省略本代号。
- Ten-year-old April Cutler, for example, has had trouble with math since second grade. 10岁的艾蓓拉·卡特勒从二年级起数学就不太好。
