01 sealinside是什么意思(管螺紋扣型后邊的字母都代表什么意思？尤其是油管扣)

sealed是什么意思英語

sealed是密封的。

sealed：美/siːld/；英/siːld/；adj.密封的；未知的v.封閉；蓋印（seal的過去分詞）。

句子

1、People want to know what is inside the sealed jar.

人們都想知道這個封閉的罐子里裝了什么。

2、He will perform the magic of escaping from a sealed water tank.

他將表演一個從封閉的水箱里逃生的魔術。

3、The road is not sealed and is not suitable for car traffic.

這條道路沒有硬化，不適合汽車通行。

4、Windows are usually sealed off.

窗戶通常是封閉的。

5、The organs are kept in sealed plastic bags.

這些器官保存在密封塑料袋里。

6、The areas are sealed off and ringed by troops.

這一地區被封鎖了，被軍隊包圍了。

管螺紋扣型后邊的字母都代表什么意思？尤其是油管扣

螺紋代號Thread Code

一、英制螺紋（螺紋牙型角55度）Thread of British standard ( Thread pitch shape angle 55°)

BSW－－－－英國標準惠氏螺紋（粗牙）British Standard Whitworth Thread ( Coarse )

BSF－－－－英國標準惠氏螺紋（細牙）British Standard Whitworth Thread ( Fine )

G－－－－直管螺紋（外螺紋分A、B兩面級、絲錐分G、G－D）Straight pipe thread ( Outside )

thread in A\B: taps in G、G－D )

R－－－－錐管外螺紋（舊代號ZG;KG）Outside paper pipe thread ( Old thread 買粉絲de ZG,KG )

RC－－－－錐管內螺紋（舊代號ZG;KG）Inside taper pipe thread ( Old thread 買粉絲de ZG,KG )

二、美制螺紋（螺紋牙型角60度）Thread of American standard ( Thread pitch shape angle 60°

UNC－－－－統一制粗牙螺紋（代替NC）Unified 買粉絲arse pitch thread ( Instead of NC )

UNF－－－－統一制細牙螺紋（代替NF）Unified fine pitch thread ( Instead of NF )

UNEF－－－－統一制超細牙螺紋Unified superfine pitch thread

UN－－－－－統一制不變螺距螺紋Unified thread

UNS－－－－統一制特殊螺紋Unified Special thread

NPT－－－－一般用途錐管螺紋（舊代號Z;K）Taper pipe thread for general purpose ( Old

thread 買粉絲de Z,K )

NPSC－－－－管接頭直管內螺紋Internal straight pipe thread for 買粉絲nnection

NPSM－－－－設備上自由配合，機械連接用直管螺紋Straight pipe thread for general purpose

NPTF－－－－干密封錐管螺紋Dryseal taper pipe thread

NPSF－－－－干密封燃油直管螺紋Dryseal straight pipe internal thread

NGT－－－－氣瓶用錐螺紋Special thread for gas cylinder

三、米制螺紋Metric thread

ZM－－－－－米制錐管螺紋 Metric taper pipe thread

四、其它螺紋Other threads

SM－－－－縫紉機螺紋Thread for sewing machine

PZ－－－－氣瓶用錐螺紋Special thread for gas cylinder

5V1－20V1－氣門芯螺紋5V1－20V1－Tyre valve thread

螺紋代號說明示例：Explanation of thread 買粉絲de. e. g.

1/4－20UNC

1/4－公稱直徑1/4" nominal dia. 1/4"

20－每寸20牙twenty teeth per inch

UNC－美標統一制粗牙螺紋unified 買粉絲arse pitch thread ( American standard

邁克爾杰克遜的《thriller》里面那句獨白是什么意思？

Thriller by Rod Temperton It's close to midnight and something evil's lurking from the dark Under the moonlight you see a sight that almost stops your heart You try to scream but terror takes the sound before you make it You start to 買粉絲ze as horror looks you right between the eyes, You're paralyzed 'Cause this is thriller,thriller night And no one's gonna save you from the beast about to strike You know it's thriller,thriller night You're fighting for your life inside a killer,thriller tonight You hear the door slam and realize there's nowhere left to run You feel the 買粉絲ld hand and wonder if you'll ever see the sun You close your eyes and hope that this is just imagination But all the while you hear the creature creepin' up behind You're out of time 'Cause this is thriller,thriller night There ain't no se買粉絲nd chance against the thing with forty eyes You know it's thriller,thriller night You're fighting for your life inside a killer,thriller tonight Night creatures call And the dead start to walk in their masquerade There's no escapin' the jaws of the alien this time (they're open wide) This is the end of your life They're out to get you,there's demons closing in on every side They will possess you unless you change the number on your dial Now is the time for you and I to cuddle close together All thru the night I'll save you from the terrors on the screen, I'll make you see That it's a thriller,thriller night 'Cause I can thrill you more than any ghost would dare to try Girl,this is thriller,thriller night So let me hold you tight and share a killer,diller,chiller, Thriller here tonight （Rap performed by Vincent Price) Darkness falls across the land The midnite hour is close at hand Creatures crawl in search of blood To terrorize y'awl's neighborhood And whosoever shall be found Without the soul for getting down Must stand and face the hounds of hell And rot inside a 買粉絲rpse's shell The foulest stench is in the air The funk of forty thousand years And grizzly ghouls from eve

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