刹把

sī zuàn bì xū shā zhù shā bǎ ràng zuàn gōng yí kai bǔ xīn

司钻必须刹住刹把，让钻工移开补心。

The driller must stop and have the floormen remove the bushings.

ruǎn shā bǎ huì bǎ xíng chéng xiāo hào zài jiā qì hé yóu guǎn de kuò zhāng ér fēi chǎn shēng zhì dòng lì shang

软刹把会把行程消耗在夹器和油管的扩张而非产生制动力上。

Soft levers require stroke to go towards caliper and hose expansion instead of brake power.