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1 | 便携式气体探测(略) LEL/H2S/CO/O2 0-100%LEL/0-100ppm/0-500ppm/0-30% | | | | 6 | |
2 | 涂层(略) 0-5000μm 0.1μm | | | | 2 | |
3 | 表面(略).005-16μm 0.001μm | | | | 2 | |