查询词典 pumping-back method

Rotary vane vacuum pumps generally only suitable for extraction can be dry or contain a small amount of steam condensate gas (for the latter town gas valve must be installed), not suitable for oxygen extraction is too high, explosive, corrosive, oil-pumping effect on the chemical contain solid particles and gases.

旋片真空泵一般只适于抽除干燥或含有少量可凝性蒸汽的气体，不适于抽除含氧过高、爆炸性、腐蚀性、对泵油起化学作用和含有固体颗粒的气体。

Construction of concrete pump is used to enhance the height of 30 1 300M, the thickness of more than 0.5M mass concrete, with savings of manpower, material and time is short, high efficiency, fast and convenient features, concrete pumping concrete on the mobility of higher, the need to control slump at 12-16 cm between the silo slipform request the initial setting of concrete, final setting time control at 2 hours and 20 minutes, 3 hours and 30 minutes or so, stick to prevent mold, in favor of Waterloo or.

混凝土输送泵施工，是用于提升高度30一300M，厚度0.5M以上的大体积混凝土，具有节省人力、物力、时间短、效率高、快捷方便的特点，但泵送混凝土对混凝土的流动性要求较高，坍落度需要控制在12—16厘米之间，筒仓滑模要求混凝土的初凝、终凝时间控制在2小时20分、3小时30分左右，可防止粘模，利于滑升。

The flow conditions in the outlet section of the suction box and in the entrance section of discharge passage are substantially different from those assumed in numerical computation, resulting in notable influence on hydraulic losses and pumping system performance.

研究发现，水泵叶轮旋转和导叶出口剩余环量与进、出水流道的内部流场相互作用，进水流道的出口水流条件和出水流道的进口水流条件与单独计算时的假定有本质不同，对进、出水流道的水力损失和装置性能有显著的影响。

It has practical significance to promote the development of sailboard pumping equipment and other sports apparatus.

该阻力源能够很好地模拟摇帆运动训练中的等动阻力特性，对促进帆板摇帆训练的发展和其他运动健身器材的开发研究有一定的实际意义。

The resistance apparatus can simulate isokinetic property in sailboard pumping.

摘 要：介绍了一种应用于帆板摇帆训练中基于windows的等动阻力源，阐述了该阻力源的组成结构、工作原理和基本功能的实现方法。

Article 61 Any violator of this Law who damages, occupies or destroys embankments, sluices, bank revetments, pumping stations, drainage systems or other flood control works, or hydrological or communications facilities, or stand--by apparatuses or materials for flood control shall be ordered to stop the illegal act, take remedies and may be concurrently fined not more than RMB 50, 000 yuan.

第六十一条违反本法规定，破坏、侵占、毁损堤防、水闸、护岸、抽水站、排水渠系等防洪工程和水文、通信设施以及防汛备用的器材、物料的，责令停止违法行为，采取补救措施，可以处五万元以下的罚款

Article 61 Any violator of this Law who damages, occupies or destroys embankments, sluice s, bank revetments, pumping stations, drainage systems or other flood control works, or hydrological or communications facilities, or stand--by apparatuses or materials for flood control shall be ordered to stop the illegal act, take remedies and may be concurrently fined not more than RMB 50, 000 yuan.

第六十一条违反本法规定，破坏、侵占、毁损堤防、水闸、护岸、抽水站、排水渠系等防洪工程和水文、通信设施以及防汛备用的器材、物料的，责令停止违法行为，采取补救措施，可以处五万元以下的罚款

After we had obtained advice from an expert in oil tanker operations the carriers made a settlement based on a calculation that assessed damage caused in the initial grounding and refloating effort, which was attributable to mismanagement of eth vessel, and caused by the pumping operation, which was mismanagement

经过我们各方取证，并向有关专业人士取得意见及供词，证明污染确是在泵油过程中引致，因此是货物管理失误，而不是船只管理失误。

Using two pig-tailed high-power LDs as the pump source, through both-end pumping a high Tm3+-doped double-clad fiber under efficient cooling, 70 W of laser output near 2μm was obtained.

另外，还对该高功率光纤激光器的光谱特性、波长红移现象等进行了分析，并且提出了获得更高输出功率的方法。

Pressions, a pause in pumping is allowed for a breath to be

以每分钟80至100次的频率按压胸部。

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。