spool piece 中文意思是什麼
spool piece
解釋
捲筒-
He had besides the things before mentioned, twelve marbles, part of a jews - harp, a piece of blue bottle - glass to look through, a spool cannon, a key that wouldn t unlock anything, a fragment of chalk, a glass stopper of a decanter, a tin soldier, a couple of tadpoles, six fire - crackers, a kitten with only one eye, a brass doorknob, a dog - collar - but no dog - the handle of a knife, four pieces of orange - peel, and a dilapidated old window sash. he had had a nice, good, idle time all the while - plenty of company - and the fence had three coats of whitewash on it
除了以上提到的那些玩意以外,還有十二顆石頭子一隻破口琴一塊可以透視的藍玻璃片一門線軸做的大炮一把什麼鎖也不開的鑰匙一截粉筆一個大酒瓶塞子一個錫皮做的小兵一對蝌蚪六個鞭炮一隻獨眼小貓一個門上的銅把手一根拴狗的頸圈卻沒有狗一個刀把四片桔子皮還有一個破舊的窗框。 -
Blind flanged spool piece
盲法蘭短管 -
The welding head will be relatively fixed, while the piping spool piece revolving at a specific rate, and the high efficient and low cost co2 shielded welding or saw process is adopted, so it has the features of easy - operation, reliable - performance and wide - application field
本焊機採用管子轉動、焊接機頭相對固定的方式實現自動焊接,焊接工藝採用高效率、低成本的co2氣體保護焊或埋弧自動焊,操作簡單,性能可靠,適用范圍廣。 -
Articulated spool piece
鉸接聯接短管段 -
Check valve and butterfly valve combinations are very popular ; normally a short spool piece is required between the valves
止回閥和蝶閥組裝是很常見的,通常需要在閥門之間增加一段短管。
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