常見例句雙語例句The factory mainly engaged in the production of various couplings and mechanical processing.本廠主要從事各種聯(lián)軸器的生產(chǎn)制造及機(jī)械加工等。Flange gaskets are not interchangeable with other mechanical pipe couplings or flange gaskets.法蘭墊圈與其它機(jī)械管道連接器或法蘭墊圈互換。Motion and speed are sensed without mechanical couplings, bearings, linkages or an external power source.運動和速度感到無機(jī)械軸承，聯(lián)系或外部電源。 返回 mechanical coupling