词汇	宿营警戒
释义	宿营警戒 Protection When Camping
随便看	placing asphalt concretet placing bookmarks placing boom placing broker Placing buffer inventory before bottleneck placing concrete placing concrete against natural ground placing depth placing device placing fertilizer with the seed placing, foaming in pockets placing form placing in railway construction placing in service placing in shafts placing insurance placing intensity placing into boreholes placing into reserve placing machine placing memoradum placing memorandum placing method placing no emphasis on routine placing nozzle