Crack and crevice-free contact surfaces.
无裂缝和缝隙接触面。
Contact surfaces exist in structure of aircraft, which effect static and dynamic analysis.
在飞行器结构中，连接面的存在将影响结构的静、动态分析。
The sealing contact surfaces are much more sophisticated than those of a general, industrial connection.
密封接触面比一般工业接头的密封接触面复杂得多。
In addition, protozoa were identified on surfaces which come into direct contact with meat.
另外，那些直接接触到肉的表面也要进行原生生物的鉴定。
Surfaces in contact with the fluid shall be free from scale and annealing colours.
与流体接触的材料表面不得有刻痕和退火变色。
Stainless steel surfaces in contact with the product, polished to grade 4.
与产品接触的不锈钢表面，抛光到4级。
Stainless steel surfaces in contact with the product, polished to grade 4.
与产品接触的不锈钢表面，抛光到4级。
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