Every day a different name was placed at the head of the chart.每天都有一个不同的名字被列在这张表的最上端。We are keeping our head above water, but our cash flow position is not too good.我们正努力避免陷入困境，但我们的现金流动情况不太好。He cracked his head on the pa...
学位课程不讲授这个课题。The topic is not taught in degree courses.关于这个课题缺乏可靠资料。There was a dearth of reliable information on the subject.我要就我的研究课题同导师见一次面。I have a meeting with my supervisor about my research topic....
Patty began reading everything she could get her hands on.帕蒂开始阅读她能找到的所有东西。Ninety-nine per cent of primary pupils now have hands-on experience of computers.现在，99%的小学生都亲手操作过电脑。Joanne stood with her hands on the sink, stari...
分离颗粒常用的装置是惯性冲击器, 旋风分离器, 静电除尘器和过滤器.For particulates, the favored devices are inertial impactors, cyclones, electrostatic precipitators, and filters.风动冲击器是气动冲击回转钻进的主要设备之一.Pneumatic DTH ( Down - The - Hole ) hammer is one o...