Qhov zoo thiab qhov tsis zoo ntawm PPR Fittings
Dec 02, 2023
Qhov zoo:
Tus nqi kuj tsawg.
Zoo sealing, tsis muaj to.
Siab corrosion kuj.
Tsis muaj teeb meem ntawm kev ua pa phem.
Qhov tsis txaus:
Lub zog qis, thiab nws yooj yim rau kev puas tsuaj los ntawm sab nraud quab yuam yog tias koj tsis saib xyuas.
Loj thermal expansion coefficient. Kev teeb tsa tsis raug lossis kev ua haujlwm tsis zoo yuav ua rau thermal expansion thiab tawg ntawm cov yeeb nkab.
