JB/T 4251

Standard Type
JBT
ICS
N/A
CCS
N/A
Status
N/A
Issue Date
N/A
Implementation
N/A
Responsible Dept
N/A
Drafting Unit
N/A

šŸ“‹ Scope / 适ē”ØčŒƒå›“ ai_extracted

ęœ¬ę ‡å‡†č§„å®šäŗ†å®žę–½ę‘©ę“¦ē„Šēš„åŸŗęœ¬č§„åˆ™åŠč¦ę±‚ć€‚ ęœ¬ę ‡å‡†é€‚ē”ØäŗŽé’¢ęć€é“åŠé“åˆé‡‘ć€é“œåŠé“œåˆé‡‘ē­‰ęÆęä¹‹é—“åœ†å½¢ē«Æ面巄件ēš„ꑩꓦē„Šć€‚

šŸ“ Foreword / 前č؀ ai_extracted

ęœ¬ę ‡å‡†ę˜ÆåƹJB 4251ā€”86怊ꑩꓦē„Š 通ē”ØꊀęœÆę”ä»¶ć€‹čæ›č”Œēš„äæ®č®¢ć€‚äæ®č®¢ę—¶ļ¼ŒåÆ¹åŽŸę ‡å‡†åšäŗ†ē¼–č¾‘ę€§äæ® ę”¹ļ¼Œå…¶äø»č¦ęŠ€ęœÆå†…å®¹ę²”ęœ‰å˜åŒ–ć€‚ ęœ¬ę ‡å‡†č‡Ŗå®žę–½ä¹‹ę—„čµ·ä»£ę›æJB 4251ā€”86怂 ęœ¬ę ‡å‡†ēš„附录A ę˜Æę ‡å‡†ēš„é™„å½•ć€‚ ęœ¬ę ‡å‡†ē”±å…Ø国ē„ŠęŽ„ę ‡å‡†åŒ–ęŠ€ęœÆå§”å‘˜ä¼šęå‡ŗå¹¶å½’å£ć€‚ ęœ¬ę ‡å‡†č“Ÿč“£čµ·č‰å•ä½ļ¼šå“ˆå°”ę»Øē„ŠęŽ„ē ”ē©¶ę‰€ć€‚ ęœ¬ę ‡å‡†äø»č¦čµ·č‰äŗŗļ¼šę‰č«å…ˆć€åˆ˜ä¼Æ越态äøęˆę³•ć€é™¶ęƒ čŠ³ć€é˜Žę·‘ę¢…ć€‚ ęœ¬ę ‡å‡†äŗŽ1986 å¹“é¦–ę¬”å‘åøƒļ¼Œęœ¬ę¬”äæ®č®¢ē³»é¦–ꬔäæ®č®¢ć€‚ JB/T 4251ļ¼1999

šŸ“š References & Relations / 引ē”ØäøŽå…³č”

normative_reference JB/T 8086-1995

Content extracted by AI. Not officially verified.