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cone penetration test | |||
penetration resistance test | |||
penetration test | |||
penetration resistance test (沥青的) | |||
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penetration test; penetration testing |
针入度试验: 6 phrases in 5 subjects |
Drilling | 1 |
Hydroelectric power stations | 1 |
Oil / petroleum | 1 |
Space | 1 |
Technology | 2 |