使用真空表和排气阀优化样品流速。
Vacuum gauge and valve assembly can optimize the flow of samples.
泵不吸水，压力表及真空表的指针剧烈跳动。
Pump not suck water, indicator of pressure and vacuum meters severely jumps.
压力真空表和真空表。
水泵不吸水，压力表及真空表的指针在剧烈摆动。
Pump could not suction water. The fingers of pressure gauge and vacuum gauge swing acutely.
而对地下水位以下的真空度测点，真空表读数无意义。
Therefore, when vacuum data were measured above groundwater level, the reading of vacuum gauge reflected the wat...
带真空表。
新改进防腐四抽头，可单独或并联使用装有四个真空表。
Newly improved anticorrosion four taps can be used independently or in parallel combination, with 4 vacuum meters.
结合具体实例详细地论述了利用真空表诊断故障的机理和具体方法。
The authors expound principles of detecting fault and specific methods with vacuum meter in detail with some concrete examples.
在离心式水泵工作现场只须把原安装真空表的位置换上负压变送器即可进行检测。
On the working spot of centrifugal water pump, the detection can be carried out only by fixing the negative pressure translator in the original position of vacuum meter.
在本机组的进气口处可安装电子真空计或真空表，以便准确地观察与控制被抽容器真空度。
Electron vacuum gage can be installed at the gas inlet so as to accurately meter and control the vacuum degree of the pumped container.
节约电能源——由一个缓冲储气罐，配上真空表的控制就可以节约能源。（根据用户的实际情况）
Save electrical power… ---- It can make this with a buffering air tank equipped with vacuum meter. (It depends on the actual circumstance)
如果泵上装有真空表或压力表，要关闭其与泵相连接的旋塞再启动电动机，待转速正常后再打开；
First close the plug of a vacuum or pressure meter, if so mounted on the pump, connected to the pump before starting the motor and then open it when the motor move in the normal speed;
根据气体状态方程和平衡方程，推导出在某点真空表反映的真空度值与孔压计反映的孔压差的理论关系式。
The theoretical formula about vacuity in vacuum tube and pore-water pressure at the observation point was obtained in this paper by using equation of gas state and equilibrium equation.
盘表控制进入真空管空气流量。
The driver used the dial mounted on the dash to control the flow of air into the vacuum chamber.
将真空泵连于复合压力表，打开复合压力表和真空泵对室内机和连接管抽真空。
Connect the vacuum pump to the compound pressure gauge; open the compound pressure gauge and vacuum pump to vacuum the indoor unit and connecting pipe.
将真空泵连于复合压力表，打开复合压力表和真空泵对室内机和连接管抽真空。
Unscrew the nut from the service connection of suction line valve and connect the compound pressure gauge.
适用于检测压力真空断路阀，减压防回流阀或双止回阀总成，不再需要压力表和压差表。
Designed to test pressure vacuum breakers, reduced pressure backflow preventers or double check valve assemblies, allowing you to eliminate both pressure and differential test gauges.
方法：用真空负压表、延迟控制线路，接通电话机免提键、存储拨号键。
Methods The vacuum negative pressure meter and the delayed control line were used.
容积式压缩机，真空泵和鼓风机。正误表。
Displacement compressors, vacuum pumps, and blowers; Erratum.
气压式高度表测量气压是参照海平面的，透过一连串的真空膜盒、齿轮和弹簧来移动刻度盘上的指针。
The mechanical pressure altimeter measures atmospheric pressure relative to sea level through a series of bellows, gears, and springs, which move Pointers on a dial.
表中气量均为所给真空度的吸入条件下的气量。
Remark gas quantity given in the table is quantity at the condition of suction vacuum.
耐震压力表适用于测量剧烈震动场所及有介质波动的情况下的介质压力或真空。
Applicable to pressure or vacuum measurement in such places where the violent shock occurs or in case the medium to the measured often fluctuates.
收到贵公司8月2日询价，得悉你们对我们MP208型号的真空吸尘机感兴趣，现将你们所需的插图目录单和价格表寄给你们。
We have received your enquiry of August 2 and learn of your interest in our Vacuum Cleaners MP208. We are now enclosing our illustrated catalogues and price list you asked for.
气象及实验室等领域进行表压或绝压得测量，也可测负压，真空度等。
Meteorological and laboratory areas, such as gauge or weight measurement must also test negative pressure, vacuum and so on.
曲线和数据表所示为真空泵在正常温度下运行。
Curves and tables refer to vacuum pump at normal operating temperature.
真空源连接到阀门的底部，一边连接的压力表，对方连接到系统中，真空被控制。
The vacuum source is connected to the bottom of the valve, one side connection is for a gauge, the other side connects to the system in which vacuum is to be controlled.
真空源连接到阀门的底部，一边连接的压力表，对方连接到系统中，真空被控制。
The vacuum source is connected to the bottom of the valve, one side connection is for a gauge, the other side connects to the system in which vacuum is to be controlled.
应用推荐