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| 71. | normally closed brake |
| 闭式制动器 |
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| 72. | external cheek brake |
| 外缩制动器 |
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| 73. | hydraulic push-rod brake |
| 液压推杆制动器 |
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| 74. | servo and power brake |
| 强力伺服制动器 |
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| 75. | hydromagnetic brake |
| 液压电磁制动器 |
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| 76. | load operating brake |
| 载荷自制制动器 |
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| 77. | contracting brake |
| 收缩式制动器 |
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| 78. | slewing gear brake |
| 回转机构制动器 |
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| 79. | pneumatic brake |
| 风闸|气压制动器 |
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| 80. | roller brake test |
| 滚轴制动器试验 |
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