Build stone runnel With the foundation of the bent overall basis.

排架与地基的连接采用整体基础。

They used waterproof cement to prevent water from seeping through the roof of the runnel.

他们用防水水泥来防止水从屋顶的排水通道里渗透.

They used waterproof cement to prevent water from seeping through the roof of the runnel .

他们用防水水泥来防止水从屋顶的排水通道里渗透。

Before we came to southern Appalachia, we lived for years in Arizona, where a permanent runnel of that size would merit a nature preserve.

在来到阿帕拉契亚东部之前，我们一家在亚利桑那州呆了很多年，那里有一条和这条小溪差不多大小的永久性流河，在我看来应当将这条河划分为自然保护区。

The measurement and control system plays a vital role in the wind tunnel test. The management software is a key to the automatic measurement and control system of the wind runnel test.

测控系统是风洞试验系统的重要组成部分，测控管理软件是实现风洞试验自动化测控的关键。