contoh kalimat air-valve

• This decision also allowed further development on parts that were initially planned to be closed off, including the upper and lower crankcase, valve drive, crankshaft, air-valve system and ancillaries drive.
  Keputusan ini juga memungkinkan pengembangan lebih lanjut pada bagian-bagian yang awalnya direncanakan akan tertutup, termasuk bak mesin atas dan bawah, valve drive, crankshaft, sistem katup udara, perlengkapan berkendara.