检查各焊接部位的情况特别是断绳安全装置和吊笼安全插块部位的焊缝情况。
Test the condition of all the welding parts especially rope-break safety instrument and welding seam of suspension coop safety inserting block.
检查各焊接部位的情况特别是断绳安全装置和吊笼安全插块部位的焊缝情况。
Test the condition of all the welding parts especially rope-break safety instrument and welding seam of suspension coop safety inserting block.
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