zhòngyīngguànyòngduǎnyù:
  •   gāng yán   steel calender
  •   gāng biān zhì jiāo guǎn   wire braid hydraulic hose
  •   gāng biān zhì gāo guǎn   steel wire braided high pressure hose
  •   gāng biān zhì gāo jiāo guǎn   steel wire armoured high pressure rubber hose
  •   gāng cái de róng zhùduàn zào yán zhá   The Casting, Fogging, Extrusion, Rolling & Steel
  •   gāng yìn   die-stamping machine
  •   gāng lún   steel roller
  •   gāng lún   steel-wheel roller
  •   gāng dìng duàn   ingot-breaker press
  •   qián xíng jiāo liú diàn diàn liú biǎo   AC clip-on voltammeter
  •   zuānyā chuán gǎn   bit weight sensor
  •   zuānkǒng huī shì yàn   borehole pressure recovery test
  •   zuānkǒng   borehole pressure recorder
  • n.  zuānkǒng , kuò kǒng zhuī , zhà zhī , jiǎo dāo , jiǎo chuáng , zhěng kǒng zuàn , huō zuàn , guǒ zhī zhà , dāo   reamer
  •   zuàn yóu   drilling machine hydraulic oil
  •   tiě biǎo   pressure gauge with iron case