His father was a carpenter, and Landry helped out every summer, sanding furniture.
他的父亲是一名木匠，兰德瑞在每个夏天都帮助父亲磨光家具。
The sanding experiment and rationally well fluid studied of Wenchang13-1 oil field.
文昌13-1油田砾石充填出砂模拟实验与合理配产研究。
Reasonable sanding has been the main technology in the middle-late period of oilfield development.
适度出砂技术逐渐成为油田开发中后期的主要防砂技术。
The surface of the slice is smoothed by sanding.
把该切片的表面用沙纸擦光。
The surface of the slice is smoothed by sanding.
把该切片的表面用沙纸擦光。
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