红土型金矿床、铁帽型金矿床同属风化淋滤成因的残坡积表生金矿床.Both lateritic deposit and gossan deposit are of weathering origin.找矿标志主要有热水沉积岩 、 铁帽、围岩蚀变 、 地球物理异常、地球化学异常等.Exploration markers includes hot - water sedimentary rocks, gossan wall - rock alt...
Products wanted: PVC spray hoses, agricultural sprayers, sprayer nozzles and sprinklers.需要货品: PVC喷射软管 、 农业用喷射器 、 喷射管嘴及洒水器.Are there any fire hoses in the building?在这幢大楼里有消防水管吗?The trailer was connected to the car by mean...
A truck driver used his CB radio to call for help.卡车司机用民用波段无线电呼救。The CCC 、 CQC 、 CE & CB Certifications for Motors were introduced.介绍了目前电动机的CCC、CQC、CE 以及 CB认证的基本情况.CB without halogen residues, can effectively improve the...