检查中心轴承上的回旋式风箱是否损坏。
Check the convoluted air bellows on the centre bearing for damage.
检查前万向节轴上的回旋式风箱是否损坏。
Check the convoluted air bellows on the front cardan shaft for damage.
结果在检查的1000例病人中380例（38%）有壁冠状动脉存在，其中314例发生在前降支及其分支，32例发生在回旋支及其分支，13例发生在右冠状动脉及其分支，另外21例为多支病变。
Results Parietal coronary arteriae were found in 380 patients, among them, 314 cases were at the LAD, 32 cases were at the CX, 13 cases were at the RCA and multiple arteriae involved in 21cases.
结果在检查的1000例病人中380例（38%）有壁冠状动脉存在，其中314例发生在前降支及其分支，32例发生在回旋支及其分支，13例发生在右冠状动脉及其分支，另外21例为多支病变。
Results Parietal coronary arteriae were found in 380 patients, among them, 314 cases were at the LAD, 32 cases were at the CX, 13 cases were at the RCA and multiple arteriae involved in 21cases.
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