I machined the cuffs, but the collar was done by hand.我用缝纫机缝了袖口，但领子是用手缝的。All parts are machined from top grade, high tensile aluminium.所有零件都是用顶级高强度铝加工而成。The material is machined in a factory.这种材料在一家工厂里用机器加工成型。The parts of the engine have been precisely machined.引擎的零件已经用机器精确加工成型。