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| 试验配合法 | |||
| 试验配料法; 试验配合法; 试验法配料; 试配法 (配料); 试配法配合混凝土成分; 按试配法配合 | |||
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proportioning by trial method : 1 phrase in 1 subject |
| Technology | 1 |
| |||
| 试验配合法 | |||
| 试验配料法; 试验配合法; 试验法配料; 试配法 (配料); 试配法配合混凝土成分; 按试配法配合 | |||
|
proportioning by trial method : 1 phrase in 1 subject |
| Technology | 1 |