相互配合精度：指配合表面间的配合质量和[填空(1)]

单项选择题Learn from Unit 6 Part 1 - Match the words from 1-16 to A-P the each saty signs .A heavy equipment B safty harness C protective goggles D ear protection E debris falling F wear overall G fire exit H no smoking I hard hat J protective foot wear K high visibility jackets L fire extinguisher M high voltage N face shield O hand protection P protectve mask1 2 3 4 5 6 7 8 9 10 111213 14 15167_______(____)

问答题谢朓世称（ ）。