求翻译：我熟知这些机械制造的钢材和加工，检查和测量的技术。熟知这些机械装配管、线、电路和液压管路的基本原理和常用配件的特点。是什么意思？

I am familiar with the steel manufacturing and processing machinery, inspection and measurement technology. Familiar with these mechanical assembly tubes, wires, circuits, and hydraulic lines of the basic principles and characteristics of commonly used parts.

I am familiar with these mechanical manufacturing of steel products and processing, inspection and measurement techniques. familiar with these mechanical fittings pipe, wire, circuit and hydraulic lines characterized by the basic tenets and commonly used accessories.

I know very well these machine manufactures the steel products and the processing, the inspection and the survey technology.Knows very well these machinery assembly tube, the line, the electric circuit and the hydraulic circuit basic principle and the commonly used fitting characteristic.

I know these machinery manufacture and processing of steel, inspection and measurement technology. Understands these mechanical pipe Assembly, lines, circuits and basic principles and characteristics of the common parts of hydraulic pipeline.

I know these machinery manufacture and processing of steel, inspection and measurement technology. Understands these mechanical pipe Assembly, lines, circuits and basic principles and characteristics of the common parts of hydraulic pipeline.