Tubing yog siv los thauj cov kua thiab roj hauv ntau yam pneumatic, hydraulic, thiab kev siv cov txheej txheem. Cov raj feem ntau yog cylindrical nyob rau hauv cov duab, tab sis tej zaum yuav muaj puag ncig, duab plaub, los yog square cross-sections. Tubing yog teev nyob rau hauv cov nqe lus ntawm sab nraud txoj kab uas hla (OD) thiab, nyob ntawm seb cov khoom ntawm ...
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