keep to the side

He took care to keep always on the dark side of the street.

他一直留心靠着街边阴暗的一面。

Results from the model show that at high current densities back diffusion of water from the cathode side of the membrane is insufficient to keep the membrane hydrated.

模型研究表明，在高电流密度下从膜阴极侧扩散回的水不足以使膜湿润。

Drivers and passengers each keep to their own side of the railing.

有人说这样就井水不犯河水了.

Pedestrians keep to the side of the road.

行人靠边走.

The procedure parameters to keep smooth bead on both sides with single side welding for the sheet, groove size of backing, assembly gap, traverse tolerance between wire and workpiece are all determined by experiment.

通过工艺试验，确定了保证薄板单面焊双面成形、光滑均匀的工艺参数范围、背面垫板凹槽尺寸、工件装配间隙、焊丝和工件的横向偏差量等。

We must keep to the main point and not talk about side issues.

我们必须抓住要点,不要谈论枝节问题.

I've done what I promised and I expect you to keep your side of the bargain.

我已经履约，希望你也能遵守协议。

Keep them in the side pocket of your suit jacket next to your heart, but never in your wallet if you carry the latter in your rear pants pocket.

要把名片放在靠近心脏的口袋内，绝不要放在钱包里或裤后袋里。