查询词典 vacuum sweeper

Some defects in similarity-law of cavitation model test in vacuum tank were pointed out,and it is necessary to standardize the zero-tensile-strength of liquid for cavitation inception tests effectively.

指出了在压箱空化试验中使用的相似律存在的缺陷。为了有效研究初生空化比尺效应，规范液体的抗拉强度为零是必要的。

Together with pre-cooling of the melt prior to entering the vacuum tank,have been used successfully to

进入真空罐之前，修改真空定径测量系统，已成功地用于定径油管。

Vacuum tank test of Three Gorges surface spillway was conducted to study the flow cavitation.

针对三峡工程溢流坝表孔设计体型，通过减压模型试验研究了其空化特性。

By analyzing the dynamic change of pressure in the vacuum tank during the pre-cooling, the effects of the mass exchange coefficient and the packed rate on the pressure in the tank were discussed.

通过分析预冷过程中槽内压力的动态变化过程，讨论了质交换系数及装载率对槽内压力的影响。

Some different viewpoints on scale effects of cavitation inception testing in a normal water tunnel or in vacuum tank were discussed respectively.

讨论了在常规循环水洞或在减压箱中进行模型空化试验时，关于初生空化比尺效应的不同观点。

1 The capacity data shall be presented in the form of curves or tables that give the volume of flow through the venting device versus pressure or vacuum at the tank connection.

记录通过排放装置的流量值及对应的在罐子连接处的压力或者真空度，使用曲线或者表格的方式来显示排放能力数据。

This article presents that adding manhole to vacuum powder adiabatic tank used for liquid carbon dioxide is important and necessary, describes this manhole's structure, design thinking and assembly processing requirements.

本文论述了真空粉末绝热液态二氧化碳贮罐增设人孔的重要性和必要性，并详细介绍了这种贮罐人孔的结构、计思路及组装工艺要求。

Tanks are equipped with various circuits to control product fill, pressure build-up, pressure-relief, product withdrawal, and tank vacuum.

罐子配备有各种控制产品灌装、压力积累、减压、产品取出和罐子真空的回路。

Vacuum sizing tank having particular big eddy flow cooling system for cooling and sizing easy for high speed extruding necessary.

真空定型采用特殊加大涡流冷却系统，便于冷却定型，以满足高速挤出的需要。

This machine group consists mainly of vacuum calibration tank, haul-off unit, cutting unit, stacker etc.

该机组由真空定型台、牵引机、切割机、翻料架等组成。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。