进出口环节收费 charges for imports and exports
进口环节税 import linkage tax ; import linkalDannynouncedrned tax
开口环 [机] snap ring ; [机] split ring ; circlip ; retaining ring
开口环轴承 snap-ring bearing
人口环境 Demographic Evironment ; population environment
青年、人口、环境 Youth Population and the Environment
出口环 discharge ring
孔口环 orifice ring
开口环提芯器 core gripper ; core lifter ; [油气] [地质] split ring core lifter
口环间隙对离心油泵性能影响与被输送液体粘度有关。
The effect of the clearance on the performance is concerned with the viscosity of handling liquid.
同样，口环的密封表面也会被固体颗粒挤压、刮削出沟槽。
Similarly, Sandy Bay sealed the surface of the solid particles will be squeezed, scrape out the groove.
叶轮转动一周，会在转到某一角度时，局部出现口环径向间隙的最大间隙或最小间隙。
Rotating impeller week, will go to a certain point of view, the local emergence of Sandy Bay's largest radial clearance or minimum clearance space.
应用推荐