小六

• Reduced hexagon - head bolts , shank tolerance f7 for hinge joint
  铰链连接用光杆公差带f7小六角头螺栓
• Reduced hexagon head bolts , in titanium alloy for intermediate fit
  Tc16钛合金.过渡配合小六角头螺栓
• Small hexagon thin nuts - fine pitch thread
  小六角特扁细牙螺母
• The new vaccine for primary 6 students will be adopted later
  供小六学生接种的新疫苗将于稍后采用。
• Reduced hexagon head bolts , short thread
  短螺纹小六角头螺栓
• Christian ministry to former students
  基督精兵团小四至小六
• Self - locking nuts , reduced hexagon oblate
  小六角扁自锁螺母
• Primary 2 - primary 6 student can be accompanied by a parent
  对象：小二至小六学生可由一位家长陪同参与
• Bolts , small hexagon head with fit neck
  小六角头导颈螺栓
• Yishun secondary school offers p4 - p6 level only 4 yishun st 71
  义顺中学只提供小四至小六年级的补习班