runnel造句

1、Standard for quality inspection and assessment of railway runnel engineering

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

3、Ancient girders creak and groan, ropes tighten and then a trickle of oil oozes down a stone runnel into a used petrol can.

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

5、I heard the runnel with delight; I looked round me for some-thing beautiful and unexpected; but the still black pine-trees, the hollow glade, the munching ass, remained unchanged in figure.

6、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.