With the rapid development of factory buildings with steel structure,water leakage of the colorful roofing has become a problem the customers and construction units concerned most.
随着钢结构厂房的迅速兴起,彩板屋面的漏水也成为广大用户和施工单位最为关心的问题。
By the improvement of process, the application effects of spraying the foam under the color steel sheet roofing in the environment temperature below 0℃ is good.
介绍了彩钢屋顶硬质聚氨酯泡沫塑料喷涂保温施工的优点 ,冬季低温环境下喷涂施工对原料、设备的要求 ,施工实例和施工效果 ,以及施工经验体会等。
"Trample with your feet, and trample it in!"
用脚踩，把它踩入地里。
To engage or disengage a motor vehicle's clutch.
踩离合器踩上或未踩上机动车的离合器
press(down)the accelerator of a car
踩（下）汽车的油门
Oh, my goodness! You stepped on my toes.
天啊，你踩我脚了。
She stepped on my watch and crushed it.
她踩在我的表上把表踩碎了。
He missed the bank and landed in the water.
他没踩到岸上，踩到水里去了。
the jailer, as he entered, stepped on it and broke it.
狱卒进门时脚踩到盆子上，把它踩破了。
Tread softly because you tread on my dreams.
请轻轻踩啊，因为你踩的是我的梦。
They were treading the grapes to make wine.
他们在踩葡萄取汁酿酒。
How clumsy of me to step on your foot .
我真笨，踩了你的脚。
Beg pardon, did I tread on your foot ?
对不起，我踩你的脚了吧？
Take care not to trample down the flowers.
当心不要把花踩坏。
I trod on his foot by accident.
我偶然踩了他的脚。
He stamped on the insect.
他踩死了这只虫子。
Children love splashing through puddles.
孩子们爱踩溅着过水洼。
They trod their enemies under foot.
他们把敌人踩在脚下。
He put his great foot on the flowerbed.
他的大脚踩在花坛上。
beat a path through the forest.
在森林中踩出一条小路。