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91. | high gas pressure switch |
| 高气压开关 |
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92. | on-off servo mechanism |
| 开关伺服系统 |
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93. | non contact switch |
| 无触点开关 |
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94. | shut-off nozzle |
| 开关水枪 |
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95. | instrument switch |
| 仪表开关 |
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96. | horn type switch |
| 角形开关 |
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97. | induction switch |
| 感应开关 |
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98. | silicon-controlled switch |
| 可控硅开关 |
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99. | blasting switch |
| 爆破开关 |
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100. | shutter operator |
| 百叶窗开关 |
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