共 50 条
- [1] DEVELOPMENT OF DRIVE TECHNOLOGY FOR GREATER FACE PRODUCTIVITY. Glueckauf & Translation, 1986, 122 (12): : 221 - 224
- [2] IMPROVEMENTS IN ROOF BOLTING PROMISE GREATER SAFETY AND PRODUCTIVITY. Mining Engineering (Littleton, Colorado), 1977, 29 (07): : 51 - 57
- [4] Electronic Control Systems for Improved Grinding System Productivity. Werkstatt und Betrieb, 1988, 121 (06): : 453 - 455
- [10] Morphological productivity. CANADIAN JOURNAL OF LINGUISTICS-REVUE CANADIENNE DE LINGUISTIQUE, 2003, 48 (1-2): : 80 - 82