查询词典 pumping-back method

He said that hospital has experienced a number of AIDS-infected people, hand-holding syringes, pumping on the spot his own blood, not money on the bar-person, or bites.

他介绍，有医院遇到过一些艾滋病感染者，手拿着针筒，当场抽了自己的血，说不给钱就扎人，或者咬人。

This paper discusses such design problems in heating systems with the pres- sureless boiler as how the pumping head of the cycle pump is selected ,where the cycle pump is installed and whether the expansion tank is necessary.

针对无压锅炉供暖系统设计中有关循环水泵扬程的选择、循环水泵的设置高度及是否设置膨胀水箱等问题从理论和实践上进行了探讨，得出了可供设计人员实际应用的计算公式，介绍了几个关键问题的处理方法，澄清了一些模糊认识。

It first appeared in 1944 in Germany, is to adapt to the pressure in the range of 10 ~ 1000Pa with a large pumping speed of vacuum melting systems use Horizontal single-stage single suction centrifugal pump a mechanical booster pump.

它于1944年首先出现于德国，是为适应在10 ～ 1000Pa 压力范围内具有大抽速的真空熔炼系统而作为机械增压泵使用。

Has production The main products are toilet pumping valve, a variety of bottle stopper and a variety of electrical lighting, sanitary supplies.

曾生产的主要产品为抽水马桶抽水阀，各种瓶盖瓶塞以及各种照明电器，洁具用品。

Not be able to choose the growth of thin and delicate fruit of the plant or after admission rhizome stubble issued pumping big bud, the seedlings grow weak, the results of late, with its high smoking bud propagation of bunchy top disease.

不能选择生长细弱的母株或收果后残株地下茎抽发出的大叶芽，此苗长势弱，结果迟，用其吸芽繁殖容易发生束顶病。

No: trouble was turned into catastrophe by the Federal Reserve, which botched monetary policy, tightening when it should have loosened, thus depriving banks of liquidity when it should have been pumping money in.

都不是这些：而是因为联邦储备系统的修正的金融政策把经济搞砸了，例如，政策上需要银根放松，它却收紧，因而当市场需要货币供应时，银行却没有流动的资金。

A compact super-radiant optically pumped D2O gas Terahertz laser was developed, it consisted of pumping source, laser cavity, measurement and vacuum system, and the length of laser cavity could be changed in the range of 80-150cm.

实验中使用了范围在80-150cm的可变长度的THz激光工作腔，实验得到了波长为385μm(对应频率约0.78THz)，脉冲宽度为100ns，峰值功率百瓦量级的THz激光脉冲信号输出。4。

The system consists of cavity coupled ECR microwave plasma source, vacuum system, gas distributing system,d etecting and analysis system and computerized data collecting and controlling system and is provided with a RHEED with differential pumping structure for in-situ real-time monitoring in atom size.

一种宽运行气压范围无离子损伤的ECR微波等离子体增强低温外延系统与技术，系统由腔耦合型ECR微波等离子体源、真空系统、配气系统、检测与分析及计算机数据采集与控制系统组成；配置有带差分抽气结构的RHEED，可实现原子尺度控制生长的原位实时监测。

A compact super-radiant optically pumped D2O gas Terahertz laser was developed, it consisted of pumping source, laser cavity, measurement and vacuum system, and the length of laser cavity could be changed in the range of 80-150cm.

实验研制了一种紧凑型工作腔长可变的超辐射光泵重水气体THz激光器系统，激光器系统由泵浦源TEA-CO2激光器、D2O气体分子THz激光工作腔、测量系统以及真空系统组成。

The conventional crank-link pumping unit is replaced by chain transmission and the driving power and the weight of unit are reduced.

它以&链传动机构&取代了&曲柄—连杆机构&，改为牵引链直接牵引，降低了配置电动机的功率，大大减轻了整机质量。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。