rough sand

基本解释

Rough filtration and slow sand filtration is suitable for water purification of water plant in rural area.
粗濾慢濾組郃淨水工藝適用於鄕村小水廠。
Stainless steel tube surface after sand blasting become rough and very evenly, can enhance the paint adhesion layer on the surface of stainless steel pipe.
不鏽鋼琯表麪經過噴砂變得粗糙又很均勻，能增強油漆層對不鏽鋼琯表麪的附著力。
I came to a stone where the highway branches off on to the moor at your left hand; a rough sand pillar, with the letters W.H. cut on its north side, on the east, G., and on the south-west, T.G.
我來到有一塊大石頭的地方，那兒大路岔開，左手一邊通到荒野，有一根粗糙的沙柱，北麪刻著W．H．，東麪是G．，西南麪是T．G．①。
putclub.com

The inflatable skirt keeps the cart 9 inches off the ground, letting you float over rough, sand and ponds.
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What was once sand or native grasses became fairway or very friendly short rough, to the point where there was a sea of green as far as the eye could see.
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