精品视频久久,国产麻豆一区二区三区精品,人妻在线中文字幕,亚洲涩涩视频

鍦ㄩ枼闁€(m茅n)涓�DN琛ㄧず浠€涔�
    DN鏄叕绋�(ch膿ng)閫氬緫锛屽叕绋�(ch膿ng)閫氬緫(鎴栧彨鍏ū(ch膿ng)鐩村緫),灏辨槸鍚勭ó绠″瓙鑸囩璺檮浠剁殑閫氱敤鍙ｅ緫銆傚悓涓€鍏ū(ch膿ng)鐩村緫鐨勭瀛愯垏绠¤矾闄勪欢鍧囪兘鐩镐簰閫ｆ帴锛屽叿鏈変簰鎻涙€�.瀹冧笉鏄(sh铆)闅涙剰缇╀笂鐨勭閬撳寰戞垨鍏�(n猫i)寰�锛岄洊鐒跺叾鏁�(sh霉)鍊艰窡绠￠亾鍏�(n猫i)寰戣純鐐烘帴杩戞垨鐩哥瓑.
    鐐轰簡浣跨瀛�銆佺浠堕€ｆ帴灏哄绲�(t菕ng)涓€锛岄噰鐢ㄥ叕绋�(ch膿ng)鐩村緫锛堜篃绋�(ch膿ng)鍏ū(ch膿ng)鍙ｅ緫銆佸叕绋�(ch膿ng)閫氬緫)銆備緥濡傜剨鎺ラ嫾绠℃寜鍘氬害鍙垎鐐鸿杽澹侀嫾绠�銆佹櫘閫氶嫾绠″拰鍔犲帤閶肩銆傚叾鍏ū(ch膿ng)鐩村緫涓嶆槸澶栧緫锛屼篃涓嶆槸鍏�(n猫i)寰�锛岃€屾槸杩戜技鏅€氶嫾绠″収(n猫i)寰戠殑涓€鍊�(g猫)鍚嶇京灏哄銆傛瘡涓€鍏ū(ch膿ng)鐩村緫锛屽皪(du矛)鎳�(y墨ng)涓€鍊�(g猫)澶栧緫锛屽叾鍏�(n猫i)寰戞暩(sh霉)鍊奸毃鍘氬害涓嶅悓鑰屼笉鍚�銆傚叕绋�(ch膿ng)鐩村緫鍙敤鍏埗mm琛ㄧず锛屼篃鍙敤鑻卞埗in琛ㄧず銆傜璺檮浠朵篃鐢ㄥ叕绋�(ch膿ng)鐩村緫琛ㄧず锛屾剰缇╁悓鏈夌斧绠�銆�
    鍏ū(ch膿ng)閫氬緫鏄璺郴绲�(t菕ng)涓墍鏈夌璺檮浠剁敤鏁�(sh霉)瀛楄〃绀虹殑灏哄锛屽叕绋�(ch膿ng)閫氬緫鏄緵鍙冭€冪敤鐨勪竴鍊�(g猫)鏂逛究鐨勫湏鏁存暩(sh霉)锛岃垏鍔犲伐灏哄鍍呭憟涓嶅毚(y谩n)鏍肩殑闂�(gu膩n)绯汇€傚叕绋�(ch膿ng)閫氬緫鐢ㄥ瓧姣�“DN”鍚庨潰绶婅窡涓€鍊�(g猫)鏁�(sh霉)瀛楁(bi膩o)蹇�銆�
    鍏ū(ch膿ng)閫氬緫(nominal diameter)锛屽張绋�(ch膿ng)骞冲潎澶栧緫(mean outside diameter)銆� 閫欐槸绶ｈ嚜閲戝爆绠＄殑绠＄挧寰堣杽锛岀澶栧緫鑸囩鍏�(n猫i)寰戠浉宸劇(w煤)骞�锛屾墍浠ュ彇绠＄殑澶栧緫鑸囩鐨勫収(n猫i)寰戜箣骞冲潎鍊肩暥(d膩ng)浣滅寰戠ū(ch膿ng)鍛笺€�

娉曡槶鐞冮枼,楂樻韩闆荤闁�,Y鍨嬭捀姹介亷(gu貌)婵惧櫒, 涓嶉姽閶糦鍨嬮亷(gu貌)婵惧櫒 澶栬灪绱嬮嚌鍨嬮枼  闆诲嫊(d貌ng)浜岄€氶枼 涓嶉姽閶艰捀姹介浕纾侀枼