ply-rating

基本解释

Ferryboats ply across the English Channel.
渡船定期往返於英吉利海峽。
At this rate we won't be able to afford a holiday.
照這樣下去，我們不會有時間／錢去度假的。
Buses ply between the two cities.
公車定期往返於那兩個城市之間。
Tyres (ply rating marked series) and rims for agricultural tractors and machines; part 5: log skidder tyres
辳業拖拉機和機械的輪胎和較輞(簾佈層數和標記系列)。第5部分:集材機輪胎
Tyres (ply rating marked series) and rims for agricultural tractors and machines - Tyre designation and dimensions, and approved rim contours
辳業拖拉機和機械用輪胎(層級標志系列)和輪輞。輪胎槼格和尺寸及對應輪輞外形