常見例句雙語例句Testing can be implemented at any location in well mouth field or in a room where beam hangers are stacked.無論是 在井口現(xiàn)場(chǎng)還是在室內(nèi),任何堆放抽油桿的場(chǎng)所均可實(shí)現(xiàn)檢測(cè)。ip.comThrough the exploration of the mechanism of welding cracks on beam hangers, the reason behind the crack is analyzed.對(duì)遊梁式抽油機(jī)懸繩器銲接裂紋産生原因進(jìn)行了分析。 返回 beam hanger