abutment造句
61. The stability of dam abutment should has a direct relation to failure-free operation and security of projects, and security of downstream people's life and property as well.
62. Because the cages of taper roller bearings usually protrude beyond the bearing faces, special care must be taken to follow the recommended abutment dimensions.
63. Many engineering construction utilize embankment, for, abutment , retaining wall , foundation pad , base backfill and so on.
64. By analyses, a simplified calculation method of active earth pressure on back of abutment un der earthquake condition has been put forward. Calculating results prove the reasonable of this method.
65. Objective : To study stress distribution in periodontal tissue of titled abutment before and after fixed restoration.
66. RESULTS: Under central occlusion, most stress of the attachment of the denture with single abutment was concentrated at the edentulous ridge, the distal and mesial apex of the abutment.
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