surface in contact

We wanted to know if the length of time food is in contact with a contaminated surface affected the rate of transfer of bacteria to the food.

我们想知道食物接触被污染的表面的时间长度是否影响了细菌转移到食物上的速率。

Dandy roll: A cylinder of wire gauze in the paper making machine that comes into contact with the paper while it is still wet. The dandy impresses the watermark and the laid lines into its surface when required.

水印辘：在造成纸机上的金属纲圆筒，它卢湿纸接触，按照需求压上水印水纹。亦称面辘。

Sliding friction is independent of the area of surface in contact.

滑动摩擦力于表面接触的面积无关.

No corrosion allowance is required for such parts not in contact with the inside fluid as the outside surface of shell, skirt, support lugs and so on, except for anchor bolts.

对于不同内部介质接触的部件，如外表面、防护罩及支承凸缘等不需腐蚀余度，地脚螺栓除外。

The action between layers of asphalt concrete surface and aggregate base under load may be a contact problem in fact.

考虑荷载作用下，沥青路面面层之间以及面层与基层之间，实际上可能处于接触状态。

The bottom of your shoes contains oil and dirt and the constant contact with your carpet can grind away the surface of your carpet and leave dirt deep in the fibers.

鞋底含有油渍和污渍，而且鞋底经常和地毯接触，导致表面磨光，污垢深深嵌入地毯纤维中。

Conformability: The degree in which a paper surface will curve to contact ink on the press.

适应性能: 纸张在印刷机上所以能弯曲以接触油墨的和度.

At this point, the air valve stem end is just the counter-plate surface in contact.

此时, 空气阀柱端部刚好与反作用盘的表面相接触.

Are casters in firm contact with floor ( ground working surface )?

小脚轮与层面 ( 工作表面 ) 紧密接触 吗 ?

When a surface grinder abrasives a work-piece with a smaller contact area, a block should be added to fix the work-piece in addition to the magnetic force.

在平面磨床磨削接触面积小的工件，磁力不易吸住，必须加挡块。

We found that the number of bacteria transferred to either kind of food didn't depend much on how long the food was in contact with the contaminated surface — whether for a few seconds or for a whole minute.

我们发现转移到任何一种食物上的细菌数量并不那么取决于食物接触被污染表面的时间长短——不管是几秒钟还是整个一分钟。

In this paper, an electric device is proposed to measure contact stress on the sealing surface of sealing elements.

介绍了西北工业大学研制的密封面接触应力的电测装置。