contour check irrigation

square check irrigation

Check-furrow irrigation

cultivation in high border check by drip irrigation

check digit check

Check in and check out

check sum check

machine check and program check

the irrigation area of water diversion from Wei He river in Baojixia irrigation project

a check of achievement and effect

A Check-up System

a quick check

Abdominal check

abnormal spot-check

acceleration check speed

acceptance check

Acceptance check evaluation

acceptance check for equipment

acceptance check of work