propeller thrust block the main thrust block transfers forward or astern propeller thrust to the hull and limits axial movement of the shaft. some axial clearance is essential to allow formation of an oil film in the wedge shape between the collar and the thrust pads ...... propeller shaft gears and clutches...
propeller thrust block the main thrust block transfers forward or astern propeller thrust to the hull and limits axial movement of the shaft. some axial clearance is essential to allow formation of an oil film in the wedge shape between the collar and the thrust pads ...... propeller shaft gears and clutches...
dai shou ti bao bao huang ma dai pi bao dan jian bao jia ke zhong hao bao chen shan bei bao ku er di gong si dang an gong si gai kuang gong si neng li mao yi neng li sheng chan neng li yan fa neng li jing ying ye ji mai jia hu dong ping fen ping jie lian xi xin xi dong tai maincategories jewellery clutches...