projection machine短语¹³¹⁶²⁰⁺³ 基本例句 n.放映机 Furthermore, key measurement instruments haven been brought in to enhance measurement strength, which includes Pull and Compression Test Machine, CMM, SPECTROMAXx and Projection Machine, etc. 同时还引进了关键检测仪器：申克万能拉伸测试机、德国三坐标测量仪、德国光谱检测仪、投影仪等。 bbs.translators.com.cn