1)Pitching wedge,劈起杆2)Pitching,劈起杆、挖起杆3)Pitch,劈起球4)PITCH AND RUN,劈起滚地球5)Pitch shot,劈起球，腾起球6)origination point of split grouting,灌浆起始劈裂点
用法和例句
Due to the difference of depth of breast wall in the construction techniques of Zhang′s and Bai′s split grouting,the position of original split dam body is different in these two techniques,which will influence curtain shape of dam body,origination point of split grouting,the movement law of grouting fluid and mechanism of grouting.