thrust ring是什么意思

用法例句

Phosphor bronze (ZQSn10- 1) and TSF belt are selected as the wearing materials onthe thrust surf ac liner of thrust ring on the kingpost of hydrofoii, through the truning vibrative wearing tests.

通过动载模拟试验机回转振荡耐磨试验，证明仍青铜TSF软带作为水翼船翼柱止推套环止推面衬垫耐磨材料具有良好的耐磨性能。