The construction craft of the split grouting is introduced in this paper, By check analysis, the split grouting has proved itself to get a good result in reinforcement of the gravel earth dam.

本文简易介绍了劈裂灌浆的施工工艺，通过资料分析、灌后检查，证明在含砾石土石坝加固处理中取得了较好的效果。

youdao

Welding type high pressure check valve is generated by the pipeline flow of the medium itself force automatically turned on and off, is an automatic valve.

主要用于高压加压的天然气加气系统，防止加压天然气倒流的阀门。焊接式高压单向阀是靠管路中介质本身的流动产生的力而自动开启和关闭的，属于一种自动阀门。

youdao

Unless you update manually, the phone will check all by itself every 7 days, and if it finds something, it'll grab it within 2 days during periods when you're not using your data connection (wouldn't want it ruining the user experience, after all).

ENGADGET: Palm's webOS over-the-air firmware update process explained

Burberry, famous for its red, black and camel check, itself worried investors by warning of a slowdown last September.

BBC: From the section Business

For a much more in-depth look at the toys and the game itself and some great insights, check out this piece by Andy Robertson.

FORBES: Connect