Under continued loading the sliding surface is smoothed due to wear and compaction, which will result in a further decrease of the bond stress, similar to the case of plain bars.

在连续载荷下，因为磨损和压紧，该滑动面是光滑的，将导致粘结应力的进一步下降，类似于无节钢筋的情况。

youdao

Both of these mostly made with plain round bars or thin rods wound round a core.

这两种都是用光面圆钢筋或细棒绕着铁芯制作。

youdao

Theproduct line includes chocolate confectionery, plain and flavoredchocolate bars and bulk chocolate in bars or pellets.

产品包括巧克力糕点，简约和口味独特的巧克力。

youdao

The jewellers want the government to slap a 20% value-added tax on the ingots, lest Italians discover that they can hedge their fears of inflation more cheaply with plain gold bars than with baubles and bangles.

ECONOMIST: Golden opportunities